For Golden Gate thumbpicks, go to Elderly.com, click on Gear, then on Picks, then on Thumbpicks, then down towrd the bottom are the golden gates. (sounds heavenly, no?)
I couldn't use them because of extra-fat thumb. Tried to heat one in hot water, thinking to re-set the bend -- and the darn thing straightened out flat, Zap!
I love my Acri. (top of the Elderly list.)