adjustable powerband

[Ok]

Check this  site out http://kalecoauto.com/index.php?main_page=product_info&cPath=1&products_id=30

[mxfool]

that old chestnut i think it was trail and track in the early to mid eighties a motorcycle dealer put different sized rubber bands on a piece of cardboard and sold it (as a joke) adjustable powerbands it was like ADB and their V8 vegy juice put into your petrol tank made it hook

[Ok]

Did you look at some of  their other products it had me in stitches 

[TeeBone]

...in the early to mid eighties a motorcycle dealer put different sized rubber bands on a piece of cardboard and sold it (as a joke) adjustable powerbands ...

You mean the Geoff Udy "YOU BEWDY" Adjustable powerbands! Priceless.......