evo.com | True Ames Fins > The True Ames Yater Classic Longboard Fin complements your single fin with full foil and minimal flex, and it works great in a 2+1 setup too. This fin was designed by Renny Yater in the mid-'70s and has stood the test of time. Board Types Retro single fins, longboards that have a pulled in tail, mid-lengths and most definitely 2+1's Full Foil 1 Fin Minimal Flex | True Ames Yater Classic Longboard Fin 2024 - 9 in Black