Other pre-WWI pads included the D-W, Funkes, Huntley Shock Absorber (Omaha) and “Perkins” Recoil Pads (both advertised starting in 1915), Tryon #6, and the American Silver pad (sometimes called Grieb; possibly by the Ajax-Grieb Rubber Co.) - AFAIK no repros are available
The first Jostam Anti-flinch ad in
Sporting Life was August 19, 1916
https://docs.google.com/document/d/1...qNnHshpKQ/edit
CSMC's offerings
https://connecticutshotgun.co/recoil-pads/