I'm replacing some old cartridge pads that I can't find inserts for with one-piece Kool-stops. Both are asymmetrical types, but the front set of old shoes are explicitly designated for "tail-forward"
Brake Pad (Long Tail) Direction? - Bike Forums
How to Replace Bike Disc Brake Pads: Sram and Shimano
Brake Pad Replacement: Rim Brakes
/wp-content/uploads/2022/10/V-Brak
Shimano Bike Wheels, Groupsets & Footwear, Shimano Ultegra, Deore, XT
shimano - Why do some disk brake pads use split-pins or bolts to retain metallic or resin pads? - Bicycles Stack Exchange
Lost In Transmission
/wp-content/uploads/2022/10/types
Shimano Worldwide Cyclery