This Crab-Shaped Clamp with Magic Arm for Smartphones from SmallRig integrates a magic arm, a crab-shaped super clamp, and a spring-loaded smartphone clamp. One end features a 1/4"-20 screw for mounting action cameras, monitors, microphones, and other accessories, while the other end can be clamped to tubes, tables, tripod legs, or stabilizer handheld ring, with a clamping opening range of 0.59 to 1.57". The joint between the magic arm and the super clamp features an anti-deflection design to ensure stability and prevent loosening and detachment during movement. Protective pads line the clamp's jaws to prevent scratches and enhance stability. The included smartphone holder can hold phones from 2.4 to 3.5" wide for shooting.