What kind are the belts?

[Arsn]

Hello!
I've seen these first time in my life.
What are these?

Best regards
Arsen

[Arsn]

Some more photos.

[Arsn]

more

[Arsn]

the last

[MP44_tom]

Very interesting.....

Unfortunately I have no idea as to what they are !! For me it is also the 1st time I see these sort of straps......

Stamp checks out ! Frost & Jähnel, Breslau is a known leather equipment producer.

Hope that somebody knows what they are for........

Tom
www.mp44.nl