Strap is made of depth compensating rubber, so your knife won't get lose when your exposure suit compresses upon descent.
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
Gasher Scuba Diving Knife with Leg Straps & Sheath, Razor Sharp - Lightweight Diving Equipment for Spearfishing, Snorkeling, Hunting, Rescue & Water
Adjustable Dive Knife Leg Strap Sheath Scuba Diving Snorkeling Knife Wrap Holder
Promate Replacement Dive Knife Straps w/Quick Release : Divers Knives And Shears : Sports & Outdoors
Replacement knife sheath rubber calf straps fit most dive knife sheaths.
Knife Straps
Diving Knife Straps, Diving Quick Release Rubber Knife Straps Snorkeling Replacement Dive Knife Belt for Snorkeling Free Diving, Divers' Knives & Shears - Canada
Knife Leg Straps
GASHER Scuba Diving Knife with Leg Straps & Sheath, Razor Sharp - Lightweight Diving Equipment for Spearfishing, Snorkeling, Hunting, Rescue & Water Sports : : Sports & Outdoors
Dive Knife Leg Straps
Scuba Diving Knife with Leg Strap Sheath and Silicone Strap, Double Edged Tactical Sharp Dive Stainless Steel Blade with Lock Release Button for Divers Snorkeling Spearfishing Hunting Hiking, Green
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
Wettie 'Shore Diver' South Package - Wettie NZ