I used hog rings. The rings themselves are real cheap but the pliers are a bit pricey ..... around $20.00 if I remember right. You can find them at a farm & tractor store or an upholstery supply store.
CBJ # 22569
Member of the 100+ Contest Club
Judge Number 6
competition BBQ team
Possibly the only judge ever to get an award from a bunch of cooks
UDS 075 UCB WSM and a bunch of other stuff.