Adding to the versatility of the popular Kupo 10” and 11” Rocks Arms are a series of interchangeable accessories. The Kupo 1/4in Male Anti-Slip Tip for Rocks Arm comes with rubber padding on top to increase friction and prevent scratches. Integrated is a knurled tightening knob that can be tightened via the thumbscrew, which also provides a quick-release for users. Also featured is a hole for using a #3 Allen wrench to re-tighten it.