What happens after you pull your arm back out? I mean, the bear might not take kindly to the gag maneuver.
Frontiersman Bear Spray - Maximum Strength - 7.9 oz (30-Foot Range) or 9.2 oz (Industry Maximum 35-Foot Range)
Notice the 30 foot range. On Amazon PRIME. One problem with the stuff, make sure the wind is blowing away from you. It will make a bear or anything else turn and run. Read the reviews on Amazon.
WARNING Do not use on liberals, it will make them cry.