7 Stainless Clamp-On Accessory Mount Edson's 7 Stainless Clamp On Accessory Mount allows you to mount drink holders, instruments or nearly anything else that requires a secure location on the pedestal guard. For angled guards, they rotate and lock in place with set screws so you can mount your drink holder level or adjust the angle of your instrument. Highly polished solid 316 Stainless construction with adapter sleeves for 1, 1-1/8 and 1-1/4 guard pipes.