good god, i thought i already replied to this. Guess my internet froze or something. Well here it goes again:
wire string or wire will do well. I have a faq on wire replacement here(well directions):
http://www.geocities.com/kbtoyz902/tip.html ask any questions if your still boggled.
EDIT: no wonder, i replied to this topic in the other board. i thought i was high or something, errr not that i smoke.
EDIT2:err that comma messed the whole thing up