Elgato Heavy Clamp with Ball Head Jaw-Vise Clamp, 1/4"-20 Thread Ball Head Mount, Supports up to 3.5 lb, Clamps to Edges & Poles, 4 x 1/4"-20 Mounting Points, Up to 2" Clamping Width, Aluminum & Steel Design, 1/4"-20 to 1/4"-20 Thread Adapter LIGHT...