[Pete B.]

Oh, Yeah Man...
Clippers, and a Nail File, too.
'Specially if you wear finger picks for any reason.
Gotta keep them sweet chikin'pickin' fangers manicured.
As I recall (uhhh... from the '80's, in my case)... It'll 'getcha alot of return bid'ness from lady's, too.

[Jon S.]

Any time you have an amp in the shop and opened up for a bad solder joint, it's worth spending another half hour inspecting all the joints and reflowing anything that looks even remotely cold because where there's one, there may be more.