Best Way - Homemade Bear and Snake Repellent | eHow.com

I like the directions: spray it in the bear's eyes.

List Of Fatal Bear Attacks In North America | Ask.com Encyclopedia
I just discussed alot of the bear repellent issues with my BIL who rode his BMW motorcycle 11, 300 miles from Daytona to somewhere way up into Alaska. (he bought the commercial bear spray from REI)

Probably a better chance of getting mugged in any major city!