Strap is made of depth compensating rubber, so your knife won't get lose when your exposure suit compresses upon descent.
Mil-Tec Divers Knife w/ Leg Straps - Mökkimies.com
Ccdes Diving Quick Release Rubber Knife Straps Dive Snorkeling Replacement Knifes Belt,Snorkeling Replacement Straps,Dive Snorkeling Replacement
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Locking Combat Knife Sheaths by Jay Fisher
Locking Combat Knife Sheaths by Jay Fisher
GASHER Scuba Diving Knife with Leg Straps & Sheath, Razor Sharp - Lightweight Diving Equipment for Spearfishing, Snorkeling, Hunting, Rescue & Water Sports : : Sports & Outdoors
Knife Leg Strap Quick Release Rub - Force-E Scuba Centers
Dive Knife Leg Straps
24 (61cm) Quick Release Rubber Knife Strap : Diving Clips : Sports & Outdoors
Rambo 9295 First Blood Part II Signature Edition Fixed Blade - Hero Outdoors
Scuba Diving Knife Leg Straps 2 Pairs, Black Tactical Knife 2 Types Sheath, Stainless Steel Diving Knives Scuba Diving, Spearfishing, Snorkeling, Hiking, Outdoor Use : : Sports & Outdoors