Smatree double suction cup with large suction + 1/4 inch tripod thread adapter + thumbscrew for GoPro Hero 4, 3+, 3, 2.1, sj4000; and for cameras and camcorders with 1/4 inch mount (Electronics)
this smatree double suction cup mount is insane !! there are so many options to mount it in or on your car or on flat surfaces .. The Double suction is super fast to lock and soo easy, even my little boy can mount it;) on the GoPro mount on the top t