Designed by YakAttack and manufactured by the makers of RAM® Mounting Systems, the Screwball is based on the RAM® rubberized ball and allows quick and easy attachment, detachment, and adjustability. Typically the 1" Screwball is used for handheld electronics, phone, depthfinder, and camera mounts and provides quick and easy attachment of kayak and kayak fishing accessories to the YakAttack Mighty Mount, GearTrac, and most other track systems.