I never actually had one fly off, but they always liked to come about halfway out from between the string.
You'll also notice the corner of the leech is missing. That happened about a week after putting them on my string. They didn't really help the noise all that much either...
So, let's make a list shall we?
They liked to come out of the string.
The didn't really help much with the noise.
They fell apart after about a week.
They're about $11.00 more than whiskers.
I don't think I'll be purchasing another package of these puppies.[:'(]