HIPSTER TWIN PINHipster Twin "pin" (Same size and volumes and swallow ) Being added alongside the swallow tail version of the Hipster twin is the twin pin version . It's a smalll subtle difference that actually makes quite a large difference in feel. But couldn't replace the swallow tail for the for the fact that nothing would match the swallow tails combination of speed and acceleration. What it does provide however is The ability to drive more vertically up the