1. Pozi-drive, not Phillips-head screwdriver.

2. Finger-to-a-finger-and-a-half gap from the back of your heel to the shell with the liner out and your toes just touching the front of the shell.

3. Cell phones interfere with beacon searches.

4. Never go with a hippie to a second location.

5. If you’re skiing in France and you see a small, faded, and nearly illegible sign that says “Prudence,” that means you’re about to go over a thousand-foot cliff into a crevasse field.