Yes, it would work on a cougar, but first you have to see the cougar and have enough time to deploy the spray. Which you probably won't since the cougar's main method of hunting is stealth. I'd bet you have, if you hiked any miles at all, walked right under a curious cougar or ten.... Far more of them have seen/smelled you than you will ever know are there.
absolutely!
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The wind wont howl if the wind don't break.
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