how about using some threads (is that what you call ?? very fine string....) and tie it to the e-clip before you're going to clip it on....
so, if it flies off.... you have a long tail to trace it back.....
(after its on, simply cut the thread......)
better than spending an hr looking for it.....
but of course.... lazy as I am... I always takes my chances....
hee hee....
