Here is the platform:
http://www.wo-system.com/ubbthreads/ubbthreads.php
The platform is owned by Tom Marzi of Hoeppner & Schumann which is a holster maker company
http://www.hoeppner-schumann.de/
I do know Tom personally as well as some of the mods.
Registration is mandatory as otherwise only a few sections are accessible.
There is an international section in English language as well. Very quiet at the moment; probably some of you folks could get it to life.
Juergen