From one source: Jim Dunlop Celluloid WHT PEARLOID MEDIUM .73
1989 – present – Pete’s Guitar picks
In at least 1989 and 1996–1997, Pete used medium and heavy picks from a store called Pete’s Guitar in St. Paul, Minnesota, owned by the late Pete Alenov. Pete’s Guitars was known as a provider to the stars, including ZZ Top, the Rolling Stones, George Harrison and The Who, among others. Their famous sign in the window: “By Appointment Only.”
1996 – present – Custom-printed picks
Beginning in 1996, Pete began to use custom-printed picks, often imprinted for the particular show. He also used Ernie Ball and Fender picks, also often custom-printed.
Please note: The photos included have been submitted by Whotabs readers. Whotabs makes no claim these photos represent authentic Pete-used picks.
1998, Woodstock (A Day in the Garden)
He usually used Fender mediums, and he played with the “fat” end. He also used plain Fender picks, and freebies he picked up.
Clapton uses Ernie Ball Heavy guitar picks, supplied to him by the manufacturer.