Leg straps for M3 knife

My posts are about new things I have discovered about the history of airborne uniforms, equipment and insignia. Often updates to my articles about paratrooper related topics, but also new items for sale, or books, museums or events.
I now own several different leg straps for the scabbard of the M3 knife (either M6 of M8 types). The shortest one in this picture is a replica for certain. The two other ones are supposed to be authentic. They sure look authentic, in that they look old and

Wartech H-4711 World War II M3 Fighting Knife, 12.5 Green : : Tools & Home Improvement

Scabbard M6 for M3 knife - Re-enactment Shop

DivePRO Viper Spearfishing Knife Dive Gear - MrDive Spearfishing Melbourne Store

US M2 para knife - metal body, Uitrusting

Victorinox Black leather strap with buckle in Black leather strap with buckle - 005546

Cisco UCS B200 M3 Blade Server Installation and Service Note - Cisco

M3 knife lichte greep met lederen M6 schede, Uitrusting

M3 Trench Knife - Canada

M9 Bayonet Adapter MOLLE

Bijl axe 1942 40 cm. lang, Uitrusting

Easnea Neoprene Leg Knife Sheath/Arm Strap, Comfortable Adjustable Scissors Knife Holder for Spearfishing, Snorkeling, Swimming, Boating, Hunting - Black, Divers' Knives & Shears - Canada

Professional 4 Piece Damascus Chef Knife Set

M3 knife M3 mes - donkere handgreep - extra kwaliteit, Uitrusting

WW2 Paratrooper Leg Strap extra long/hawkins mine/m3 knife/GI cot straps