Mutiny Front Line Swivel Spin, spin, spin. Finally a swivel which does just that thanks to it's unique design, self lubricating plastic and a intergrated stainless steel bearing.  With a smooth pulley on the bottom to help your depower trim strap effotless to pull, and a hollow centre for your safety line to pass through, this is a must have for every kiter.  Comes in a handy re-useable bag to help prevent waste packaging.