One of the problems with thisngs like belts and even over lapping clothing in the cloth room is that if they are too cloose together the over lap may be within the collision depth and offset and Poser pushes clothified element out.. over the stationary object. Thats one of the reaons 3D-Mobster's method works so well. Another factor may be if the stationary object is double sided (polys face IN and out) or not.

 

On a seperate note this is part of the reason merchants as a whole don;t do more dynamic clothing. It's a steep learning curve even for veteran users and the merchant gets too bogged down with helping people that buy their clothing make it work correctly, or worse yet getting complaints that the clothing doesn't work as advertised.

A method of embedding ALL of the settings/information withing the individual dymnamic cloth pieces could help this but the last time I checked this wasn;t possible. If it has changed I would go back to working with dynamic of hybrid clothing.