I bet you could market them in the local "toy" shop too. And I don't just suggest the "gun" store!
EWWWWWWWWWWWW <img src="/ubbthreads/images/graemlins/barf.gif" alt="" /> I ain't making sheaths for those. <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />