RIP 4 OR GRIP 3 SLS? DON`T WORRY WE HAVE YOU COVERED NO MATTER IF YOU ARE A QUAD OR THRUSTER WAVE RIDER, IN ALL KIND OF CONDITIONS! The GRIP 4 with its Quad fin configuration gives you maximum drive and grip for committed rail to rail turns, even in XXL waves The GRIP 3 has a slightly better acceleration due an efficient rocker with a lower-drag entry, which is especially helpful in jumping conditions. The Thruster fin configuration allows for earlier tail release for tighter/slashier turns, even in non ideal waves