Abrazadera de cangrejo - Roscas de tornillo de 1/4" y 3/8" | Cámara de montaje de brazo mágico con clip de súper agarre
The Luxlight crab clamp is sturdy and versatile clamp with many uses for photography and video but could be used for many other purposes. Super Clamp Friction Arm | Photo Studio Crab Grip Support Mount.