Really, tried to single wick that thing? Surely you jest. I hope you charged them several hundred dollars since you would have had to test at least once first.
I would close all credit and checking accounts and get new ones. This is probably not the end of it. Change all passwords where you do business also, especially paypal. Just an FYI.
A customer of mine makes those ragballs and dips them in the wax left over from my tarts she burns. Tacky as hell. But these prim people love this crap hanging around so go for it. She sent me a few and the cats love them.