Drunk teenages and knifes are usually not the best combination. So in my opinion not real problem, since most campsites in holland are really close to civilization (everything is). Have been a leader for a camp and busy organising another one for 120 people, there are plenty of things that we just don't want.

Borrow you wave to open beerbottles?!?! We student use the crate, or any sturdy surface to openen them. Who needs a beeropener? C' mon nobody learned that trick to them? Even i know it and i don;t even drink!