Interesting information here:
http://www.pubmedcentral.nih.gov/art...?artid=1312091
I have never been hit, but IMHO, if I was piloting a my boat and hit or nearly hit I wouldn't consider it "harmless fun".
Shooting water balloons at unsuspecting strangers is a very bad idea.
The only people that seem to really like the whole idea of water balloons is this bunch..
They even have a Toll Free number you can call..
http://www.injuryboard.com/topic/wat...lingshots.aspx
On the other hand, If was a willing participant in a "Water Balloon Battle" I can see that it might be allot of fun.
The issue that Pipeline reported would have me calling the MP also.