10). Bad hair cover. — Michele, Eric Craig, Goran Ladd 08 and plenty more

9). Keeps me from running into open cupboards when I'm in a rush. — Lurando Mata

8). You may be one of the very few bike riders on those rare paths that don't have padded curbs. — ed berkowitz

7). Something has to distract people from staring at those goofy spandex biking shorts. — Kyle and Randy Johnson

6). Glue mirrors all over them, and they give you that disco mirror ball 70's retro look. — Larry

5). To curtail "natural selection" (and confess your vulnerability). — Gam and jon moore

4). You wear it on your head... to give people the impression you have a brain to protect. — Michael Kaye and Larry

3). Does double duty as a salad bowl at a picnic or a pottie for the kids. — Douglas McCarty

2). To keep your yarmulke from flying off. — Chickadee

1). One word: GRAVITY. — Bill Adams