(This is why you often see the front pickup cover removed). And the hiss?. Well, hiss is usually due to the electronics in the signal chain, NOT interference, and will not be attenuated by shielding paint or foil.
GUITAR SHIELDING KIT - CONDUCTIVE GRAPHITE PAINT COPPER FOIL PICKGUARD SHIELD
GUITAR COPPER SHIELD SHIELDING FOIL TAPE - 20x30cm Sheet Self-Adhesive
ELECTRIC GUITAR SHIELDING KIT - CONDUCTIVE PAINT COPPER FOIL PICKGUARD SHIELD
GUITAR SHIELDING KIT - CONDUCTIVE PAINT and COPPER FOIL PICKGUARD SHIELD
YUPEIUKLI Electric Guitars Coppers Foil Tape Adhesive Shielding Tape Double Sided Conductive Copper Tapes for Guitar Shielding
Rustins G Shield EMI Shielding Paint Perfect for Electric Guitars 125ml/500ml/1L
