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

S-Tek Blade - SCUBAPRO

US M8 schede voor M3 mes, Uitrusting

US M3 PARA WWII KNIFE LEG STRAP

M3 knife lichte greep met lederen M6 schede, Uitrusting

M3 knife donkere greep M3 met M6 schede, Uitrusting

Update: TL-122-A Boyscout version

AUTHORIZED DEALER, This is a premium camp knife from Lionsteel! It is a large drop point blade with a full flat ground blade of premium Niolox Steel.

Lionsteel M3 Knife Santos Rosewood Handle Niolox Steel Leather Sheath

can anyone give me info on this wenoka dive knife can't find but two images on the internet that's it I think it's vintage just trying to gather info : r/diving

Leg Strap for M3 Fighting Knife - Delware Trading BV

Replacement knife sheath rubber calf straps fit most dive knife sheaths.

Knife Straps

Rubber Leg Straps with Buckles – RIFFE Web Store

Leg- and equipment strap khaki legstrap leg strap - 55 cm lang - ook voor m3 mes, Uitrusting

US M2 para knife - metal body, Uitrusting