Primo fuzz: PSI FUZZ
https://robertkeeley.com/product/psi-fuzz/
Secondo Fuzz: BLACK GLASS BRITISH FUZZ https://robertkeeley.com/product/black-glass-british-fuzz/
Terzo fuzz: SILVER BULLET
https://robertkeeley.com/SilverBullet
Quarto fuzz: SON OF FUZZ HEAD.
https://robertkeeley.com/product/son-fuzz-head/