Enhance your smartphone photography with the Manfrotto TwistGrip Tripod Adapter Clamp for Smartphones . This clamp is designed for attaching mobile devices to standard tripod or monopod heads with its 1/4"-20 threaded hole. A locking knob holds your device securely in place. An integrated cold shoe lets you attach accessories, like lighting units or microphones. The TwistGrip is made in Italy from aluminum.