[cheetah]

How'd you end up at a tournament without a volleyball?

Here's some of my suggestions:
A first aid kit with bandaids, antiseptic, blister pads, ace wraps, etc.
a change of socks is a good one....I usually bring a few pairs.
An extra pair of sneakers in case the ones you're wearing are causing blisters.
Deoderant foot spray to prevent blisters
Some kind of shade like a pop up tent....a friend of ours got an easy up tent at the sports authority for $40.00 this season.
More then one pair of sunglasses (in case the ones you're wearing breaks)
Some kind of muscle rub to put on a sore shoulder, knee, quad etc. between matches.
A long sleeve tee or long pants in case it gets chilly, or in case you go out to a restaurant afterwards and the air is kickin too much (I think this one is a "girl thing") Or even having a change of clothes is good in case you have a far drive home and you don't want to drive home in your sweaty ones.

If I think of any more I'll post em'