Have T-Slot accessories for your Jeep from other manufacturers to hold your kayak or bike. The ARB BASE Rack T-Slot Adapter Mount allows T-Slot accessories from other manufacturers to work with the BASE Rack system seamlessly. With muliptule mounting points around the out side of the BASE Rack System you can choose where you want to mount your accessory holder. To accommodate some of the larger T-SLot accessory holders ARB offers option to purchase theT-Slots mounts in a pair.