Attach a compatible device securely to your cart1 or anywhere with square (1 to 1.25 inches (2.5 to 3.2 cm)) or circular (1.2 to 2 inches (3 to 5 cm)) tubing. The hook and loop strap allows for quick and easy setup and removal. A Spine Mount Adapter is required when used with the inReach® Mini 2 device.