Flared Pin TwinOriginally designed by Ben Aipa in 1976, the Flared Pin Twin returns with a modern twist but its soul remains untouched. This is a shape built for power and precision, anchored by Bens signature Pro Am bottom a deep double concave that forms a high spine through the center. That spine acts almost like a built in rudder, helping tame the looseness of the twin fin setup. Same idea surfers chase today with a stubby trailer fin but Ben was doing it with