True Ames Lovelace Piggyback Keels Single Tab Twin Fin SetThe True Ames Lovelace Piggyback Keels Twin Fin Set was designed to work fluidly with performance hybrid style twinnies. Ryan Lovelace created this template to bridge the gap between a traditional keel fin and an upright late 70s style design. This is a hybrid between a traditional keel and an upright twin fin. Pairs well with all types of boards, but exceptionally so with performance hybrid style twins in the 5 7 range Fin Size Detail Height Base