The saying goes that if you can walk, then you can snowshoe. Maybe, but it would be wrongheaded to simply strap a pair on and hit the backcountry. "You're basically tying these big tennis rackets to your feet," says former Mount Rainier chief climbing ranger Mike Gauthier. "It's not as intuitive as one might think." Here's Gauthier's advice for traversing a steep hill in deep snow.