I think it is kinda cool. It lightens things up, it's fun and a way to blow off steam without anybody getting hurt. If somebody took a cheap shot at you or knocked you on your keester, nail 'em with a balloon. Pete Carroll does stuff like this to make his guys laugh and lighten the mood.
It does provide an opportunity to make fun of them and photoshop as well which is always a good thing too.
Javorskie caught a few in his mouth until he came to the sad realization that there were not filled with either gravy or jelly. he then threw his helmet down, smacked the waterboy, and left practice. an unconfirmed report has him being thrown out of a local chinese buffet some 3 hours later
I see why Sherman was such a big hit at Green Bay...
Will we see a sack race next or maybe tug of war?
I bet he was giving out ribbons for first, second and third places....
I wonder if they were allowed to bring sack lunches to practice?