Cool knight Durable Length Adjustable Smart Clip Sony Ps3 Dual Shock 3 Game Holder for Smart Phone Galaxy Series Game Player Accessories Black Length Adjustable Smart Clip Game Phone Holder for Sony PS3 Dual Shock 3 Galaxy Series Video Game Player Accessories You can install the clip in the Dual Shock 3 controller Adjust the length of the clip , and install the smartphone in it Length adjustable holder type (50-88 mm) Applied to most Smart Phones. Use attached or detached the game pad. Ergonomic design,very comfortable to use.