Eric Ernest owner of Abalone Vintage Guitars

Joe Riggio of Riggio Guitars

Mario Milan Author of many books on Pickups and PAFs

Brian Harding of BygoneTones

Yuuki McClure of Player Grade Vintage Guitars

Aleksandar Vrhovec of Wizz pickups

Lulle Lennart Gisselsson Collector and Expert of Marshalls Amps

Joe Dobson of Joseph Kaye Guitars