Dude, that stuff looked painful. Those heavy grade blades are no joke. It's all fun and games until someone is on the ground in pain.
I was thinking the same thing Lady Agana Kath said about retention screws. Plus, have you guys considered helmets and padding? Just asking. You say you don't want to lose an eye, and yet you're not even wearing safety glasses.
We certianly need gloves that's for sure.