9.Solutions Phone Grip

The 9.Solutions Phone Grip is a versatile accessory that allows you to securely attach your smartphone to a tripod, suction cup, or other support with a 1/4""-20 or 3/8""-16 threaded connection. The phone holder has a spring clamp that can be secured with a finger nut to hold your phone securely. The holder can be used with smartphones with a width of 5.5 to 8 centimetres and a thickness of up to 1.2 centimetres.

Price: 37.99 from Wex Photo Video