If MEK doesn't do it, nothing will. Nasty stuff.
Regular heat shrink can come loose over time...the type with built-in adhesive might be the best option.
Might look good with clear heat shrink over brass.
Lasers are fascinating and there's so much to learn...I'll probably just lurk for a while and do some reading. Plenty of time to make a fool of myself later.
Recently moved to Idaho to get away from the craziness...and to have some land with a shop for my all my projects now that I'm mostly...