Originally posted by Ribald
Any more uses folks?
Biff crew members over the head if they don't behave themselves.
Bread-board for picnic.
Frisbee, to keep oneself amused waiting for the tide to re-float.
Cricket bat for reason as above.
'Base' for playing rounders, also for reason above.
A solid base to place your foot-pump whilst inflating the tubes.
Good to throw for dogs playing 'fetch' - also for reason mentioned earlier. (tide, etc, etc!)
Place plank under wheel of car for extra grip if you get a bit stuck.