Home » FOXNews.com » technology news » Grizzly defense: Former Marine's invention could aid escape from bears Grizzly defense: Former Marine's invention could aid escape from bears Unknown 3:02 PM FOXNews.com technology news from FOXNews.com http://ift.tt/1EiNEq7 Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati