Hey FRed..
What do you mean by "Thick Rim" ??
If it's what the other guys here are talking about,, I guess it all depends what you want to do with it,, and what kind of hold you want to have one the knife..
I agree with these guys,, that the fold over or pouch design is the best way to do these types of sheaths...
Drop me a note if you have any questions..
ttyle
Eric
O/ST