I can take some pic of mine today, I think I have 2 different bands, both are rubber, one has little plugs of lead, the buckle hooks to them, the other is just rubber.
here is one on
http://www.ebay.com/itm/NEW-1-3-4-Dr...009833&vxp=mtr
kinda$$, a long rubber bungee would work---wrap it around the drum tightly several revolutions.