LXJ SMILE 11" Articulating Magic Friction Arm for Hot Shoe Mounts Work with DSLR Camera Rig / LCD Monitor / DV Monitor / LED Lights / Flash Light 11" precise and durable designed magic arm Articulating Design with One Knob to lock arm in position. Variable friction control for accurate adjustment Two 360 Ball Heads with 1/4 This articulating magic arm can adjust any on-camera lightings and other accessories. It provides shake-free stability and support to cameras while shooting