[QUOTE=Appsolute;8095635]
Along the Jolly Ball idea - and because well I grew up on the coast and I am used to seeing them all the time…
BOAT BUOYS! (or fenders)
They are meant for smashing against, are quite sturdy, have a hole to tie to - and are cheaper than jolly balls.
http://www.walmart.com/c/kp/boat-fenders[/QUOTE]
BRILLIANT!