How can I keep my pickups parallel with the strings, especially with humbuckers?
Most often it you need to support the floating pickup within a mounting ring by using a piece of foam rubber in the cavity of the instrument. I do this often to keep pickups from vibrating that can give you unwanted and annoying sounds if you accidentally hit the instrument hard when playing. The soft foam rubber can be easily removed and normally causes no problems to the instrument. The foam rubber is often used in pickup boxes for packing material.
