Penalty for raising tetra higher than player station?

[devicenull]

I think, after reading this thread I'm going out and buying a hard hat. The $6 cost from home depot is worth me not getting injured by a tetra. I wouldn't want to see a robot disabled if its over the wall though, its very likely it would drop the tetra. I'm not sure if a penalty is the right way to go. The field should actually have an overhang though, its very dangerous without one.