I would like to purchase a mount for my Droid RAZR so I can better use navigation while on long trips on the highway. However, I own a convertible (a 1998 Chrysler Sebring if it matters) with busted AC, so the top is always down. I am worried about my Droid RAZR blowing away! Can anyone recommend a good mount or share their experience with similar situations? Any help is greatly appreciated...Thanks.