I like it, have been thinking of getting something like this myself.
A couple of weeks ago I was out on the 550 and turning in to my neighborhood, I knew a big Hummer was behind me as I always check mirrors.
I turned on my turn signal to turn in, as well as a hand signal. As I was turning in (right turn), I heard tires scuffing on the pavement, the guy got way too close behind me and apparently didn't notice I was slowing down to take a turn. As I was watching where I was going, I don't really know how close he came to busting my ass, but glad he hit his brakes hard so he wouldn't.