Summit FasTrack Phone Holder Color:Black It features a thumb stud

It features a thumb stud opening and secure button lock for smooth operation

Squeeze clamps with scissors and iconic Loon yellow comfy grip handles

Constructed from durable resin

The EVA foam handles provide superior comfort and control

Fabric Mossy Oak Obsession in 150 Denier Nylon

Summit FasTrack Phone Holder Color:Black It features a thumb studThe Summit Phone Holder can be positioned on the sides or front of the FastTrack rail for hands free filming. This fully adjustable holder supports smartphones vertically or horizontally for the perfect photo or video. The adjustable telescopic arm and angle adjustment knob provide you flexibility to achieve the best recording angle.