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

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

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