Hi all, Has anyone ever replaced the covers (the actual black plastic enclosures as opposed to the chrome ashtray jobs) on pickups with exposed pole pieces with blank or closed type covers? I want to try a set on my Squier jazz bass but am concerned that a blank cover will cause a reduction in volume/output as the pole pieces will be covered. Some reasons for me wanting to try this: I'm quite heavy handed when digging in and often catch the string on the pole piece, causing that h