Same thing with the colored wingtip light lenses. They may not cost as much, but if you disassemble a set of Whelan position lights, do it over a bed or a pile of towels or something.
Lots of people have learned this lesson over the years...
Reminds me of a comedian's comment that it doesn't matter how bad you have it, someone else always has it worse.... but what about that last guy that doesn't even have a bus to run him over?
At least you have forgotten exactly how painful it was, since you can't remember the bite to your wallet!