A tourniquet only helps if it is within reach when the bleeding starts. The ETQ's entire design argument is size: small enough to stay on you on the days a larger one would not.
At a glance
12 things to know about the ETQ Gen 2 Regular
What the Gen 2 changes do, what one inch of band means, and what the record of real uses shows.
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01
Built around being carried
Folded, the Regular ETQ measures 1.8 × 4.7 × 1.2 in. and weighs 1.4 oz;3 Snakestaff puts it at about 65% smaller than a standard windlass tourniquet.4 For scale, a C-A-T® Gen 7 weighs 2.7 oz.7 The size is the point: it fits a pocket, an ankle rig or a vehicle console, where a full-size tourniquet often does not get carried.
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02
Power Curve™ band slot
The slot the band pulls through is curved rather than straight. Snakestaff designed it to spread the load across the band and center the tension; with a straight slot, it says, the band runs tighter at its edges than in its middle.3
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03
Tri-Grip Windlass™
Each side of the windlass has three flat faces instead of a round rod, for more finger purchase when hands and gloves are slick. Snakestaff kept the texture short of the point where it tears nitrile gloves, and molds the rod from a high-strength polymer composite.3
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04
Power Ring™
A steel ring under the windlass lifts it clear of the carabiner and gives mechanical advantage on the first one or two turns — the hardest turns on any windlass tourniquet.3
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05
A backed band and a bigger lock
The Gen 2 band is backed with webbing so it stays rigid, will not fold onto itself and is easier to lasso around a limb. The body is longer to keep the band straight, and the inside of the carabiner lock is enlarged so the rod still seats after many turns.3
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06
What one inch of band means
How pressure spreads across a tourniquet's width is one of the factors that sets how much pressure it takes to stop arterial flow.8 The Regular constricts with a 1 in. band. Snakestaff points out that the C-A-T® also tightens with an internal band inside its 1.5 in. strap — researchers measure that internal strap at 2.5 cm.3,8 For a constricting band the full 1.5 in. wide, Snakestaff makes the ETQ Wide.
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07
Pull the band tight before you turn
Snakestaff traces the only negative first-generation reviews it has seen to users who did not tighten the band first, or did not reset the tourniquet after repeated use.3 Slack is the enemy of any windlass: in a 60-cadet manikin study, failed applications carried about three times the slack of successful ones.9
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08
No chemlight on Gen 2
The first-generation ETQ carried a chemlight. Snakestaff dropped it because it broke and activated in the mail and in pockets, and used the savings to build Gen 2 from more robust materials at the same price.3
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09
Blue means trainer
The Blue ETQ is Snakestaff's designated trainer, made in both widths, so you practice without cycling the tourniquet you carry.3,4 Snakestaff's warranty covers manufacturing defects for life and excludes repeated use as a trainer.5
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10
One casualty, one tourniquet
An ETQ that has been used on a casualty is single use. Do not clean it and return it to a kit — replace it.4
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11
A public record of real uses
Snakestaff keeps a living record of reported real-world uses: 18 records through 31 August 2026 — 13 with the first-generation ETQ, 5 with Gen 2 — with 17 reported as working as expected, no reported product failures and one unreadable source file.6 These are manufacturer-collected reports with no comparison group, not a clinical study.
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12
Registered, listed and made in the USA
Snakestaff Systems (South Salt Lake, Utah) is an FDA-registered device manufacturer, and the ETQ is listed as a Class I nonpneumatic tourniquet (product code GAX, 21 CFR 878.5900) — the 510(k)-exempt class every non-pneumatic limb tourniquet sits in.10 The Gen 2 features are patent pending.3
How to apply the ETQ
Snakestaff's sequence for the ETQ, inside the placement rules taught in TCCC and TECC.
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1Choose the placement. Under threat, or when you cannot find the source: high and tight — as high on the limb as possible, over clothing, after emptying the pockets under the band. When it is safe and you can see the wound: bare skin, 2–3 in. above it. Never across or directly over a joint; if that spot lands on the knee or elbow, go above the joint.1,4
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2Route the band. Wrap the band around the limb, or slide the loop over it, and thread it back through the body with the rod facing you.4
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3Pull the band tight first. Pull the free end as tight as you physically can and fasten it — you should not be able to slide a finger under it. The windlass finishes the job; it cannot make up for slack.4,9
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4Pull up, then twist. Lift the rod and turn it, in either direction, until the bleeding stops and the distal pulse is gone. It will hurt. Keep turning until both endpoints are met.1,4
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5Lock it. Seat the rod in the carabiner lock, and lock the remaining band in the gate the same way.4
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6Record the time. Write the application time on the band or the casualty's skin — "TQ 1330" — and tell the receiving team.1,4
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7Reassess. If bleeding continues or the distal pulse returns, tighten further or apply a second tourniquet side-by-side with the first.1 Pressure under any strap tourniquet can drop within minutes as muscles relax.8
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8Leave it on, or convert if you are trained to. For a civilian, and especially after self-aid, leaving it on for the receiving clinicians is good practice. Under TCCC, a tourniquet is converted to a hemostatic or pressure dressing as soon as possible — with every effort to do it within 2 hours — when the casualty is not in shock, the wound can be watched closely and it is not an amputation.1
Where it fits
- Life-threatening bleeding from an arm or leg
- Any traumatic amputation, even one that is barely bleeding
- Everyday carry on the body — pocket, ankle or belt — and a staged unit in the vehicle, range bag or go bag
- A second tourniquet alongside the one already in your kit
- The neck, armpit or groin crease — those wounds are packed and pressed, not tourniqueted; the chest and abdomen are never packed
- Placement across or directly over a joint
- Minor bleeding that direct pressure or a pressure dressing controls
- Practice — use the Blue ETQ trainer and keep the carry unit untouched
The evidence
What has been reported for the ETQ, and the independent studies that frame it.
| Study | Evidence type | What was studied | What it found |
|---|---|---|---|
| Snakestaff Systems, real-world use record v3.1, 2026 | Clinical · manufacturer case log | 18 reported non-training uses of the ETQ platform, 2023–2026 (13 first generation, 5 Gen 2), civilian and law-enforcement appliers | 17 worked as expected, no reported product failures, one unreadable source; no comparison group |
| Walters et al., Prehosp Emerg Care 2005 | Human volunteer | Seven commercial tourniquets self-applied to the thigh (n = 18) and the best four to the arm (n = 12), Doppler endpoint; the ETQ did not exist yet | Three were 100% effective on both limbs; others failed from too little mechanical advantage, breakage or intolerable pain |
| Katsnelson et al., Mil Med 2020 | Manikin · randomized | C-A-T® Gen 7, SAM® XT and SOFTT-W applied by 60 military-medicine cadets to a HapMed leg trainer | Slack predicted failure: 3.2 mm in successful vs 10.5 mm in failed applications |
| McCarty et al., JAMA Surg 2019 | Manikin · randomized crossover | 102 laypeople trained on the C-A-T® then applied five tourniquet types | 92.2% correct with the C-A-T® they trained on, 68.6% with the SOF®TT, 11.8% with elastic designs — skills did not fully transfer |
| Goralnick et al., JAMA Surg 2018 | Simulation · randomized trial | 465 laypeople at a stadium, simulated tourniquet scenario, four instruction arms | 16% correct with no training vs 88% after a one-hour course; 54.5% still correct 3–9 months later |
Strongest to weakest: human-volunteer studies, then simulation and manikin studies, then manufacturer reports. The four independent studies tested other tourniquets; they are listed for what they show about mechanical advantage, slack and training, which apply to the ETQ as to any windlass tourniquet — and the 2005 volunteer study is the reason independent testing matters at all.11 Snakestaff states it has run human-subject testing with Doppler and ultrasound confirmation of arterial occlusion and is working with universities on independent trials.3
How it compares
The two Snakestaff widths, and the full-size windlass tourniquet most buyers weigh them against.
| ETQ Gen 2 Regular | ETQ Gen 2 Wide | C-A-T® Gen 7 | |
|---|---|---|---|
| Tightening | Windlass rod, Tri-Grip Windlass™ with Power Ring™ | Windlass rod, Tri-Grip Windlass™ with Power Ring™ | Windlass rod over a free-moving internal band |
| Band width | 1 in. | 1.5 in. constricting band | 1.5 in. strap |
| Windlass lock | Carabiner lock | Carabiner lock | Windlass clip plus a windlass strap |
| Weight | 1.4 oz | 1.8 oz | 2.7 oz |
| Folded size | 1.8 × 4.7 × 1.2 in. | 2 × 4.7 × 1.2 in. | Open length 37.5 in. |
| Trainer | Blue ETQ trainer, 1 in. | Blue ETQ trainer, 1.5 in. | Blue C-A-T® Gen 7 trainer |
| evidence-based standard | No | No | Yes — NSN 6515-01-521-7976 |
ETQ figures from Snakestaff; C-A-T® figures from North American Rescue.3,7 Absence from the evidence-based list does not by itself mean a device was tested and failed — Snakestaff notes the current ETQ was developed after the last comprehensive evidence-based tourniquet review.2,3
Build the system
The carriers made for the ETQ, the wider ETQ, full-size tourniquets, and the rest of the bleeding-control kit.
Questions buyers ask
Package & specifications
Available Options:
- Gray
- Orange
- Blue
| Specification | Value |
|---|---|
| Width | 1.00 or 1.5 Inches Wide |
| Length | 37.5 Inches Long |
| Dimensions | 35% Smaller Than Other Tourniquets |
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