Get this large sized Ball Head with Hot Shoe Adapter, and locking Smartphone Holder. This heavy duty phone clamp contains screw mechanism so you can open the holder to desired width, then screw it down tight onto your device. Its designed for large or bulky devices, so you can use with an Otterbox or Lifeproof case. This particular phone holder fits devices up to 92mm wide, and works only in landscape. A great option for attaching a phone, or other accessories to your DSLR camera, action camera,Tripods, or any GoPro style accessories compatible with this thread. This adapter is compatible with other Livestream Gear Accessories, so you can easily adapt our mounts to work with other cameras you may already own. Be sure to check out our entire line of mounts and adapters, that let you maximize the potential of your equipment.