Bear Deterrent? For black bears?

Okayyyyyyy.... Here's a real ultralight one. Stand where you are sure the bear has plenty of room to escape. Wave your arms, yell, throw rocks in the general direction of the bear. Watch it run.

I still think you're having fun with us. I haven't seen anything like this since that girl joined our hiking group and asked if there was a bathroom available on the trails (all of them), and how much water to carry because she didn't trust filters.