I was always told by the older fellas in the hunt camp that if I encountered a bear and I did not have a weapon was too:
(a) pick up to large rocks and bang together...bears hate that sound
(b) roll up sleeve, when bear opens mouth, thrust arm down bears throat, grab bears tail, pull hard and turn bear inside out
(c) works everytime if you are married, hold up picture of mother-in-law in front of you...bear will run away
Now would I tell you folks a whopper?...

Cheers...Happy Landings...Doug