- Sunnylife Foldable Dual Hook Adapter for POCKET 2 - The multifunctional adapter can be used with Sunnylife backpack clamp and bicycle clamp. - Upper and Lower Dual Interface. With Do-It-All Handle, connecting the upper interface for preventing falling off, due to much higher gravity center. - With Tripod Mount, you can choose either upper or lower interface according to your actual needs. - Equipped with 1/4 screw to steady fix POCKET 2.