get a set of these ........

http://www.walmart.com/ip/Ultra-Stee...t-6pc/17163840

or something similar , they are literally a few bucks . they will be fine for these pots . but if youre gonna be tweaking cans and such in electronics get the non-conductive type made of plastic/nylon etc. .

if you find you need to open the mic be sure to open it like a clam shell .