Okay, so after asking around at JoeCustoms.com, someone suggested using electrical tape with the adhesive removed to make slings and straps. worked like a charm!
Went and replaced the bomb kit straps of Firefly too.
Was too lazy to make a full scabbard so I got inventive.
Single-Point slings for my alley vipers.
Adjustable double point sling for Duke...
...And Lady Jaye.