Warlock OarLockBetter Mounts Warlock Oar Lock are rugged, lightweight, and fully tunable. Designed using Finite Element Analysis to add strength where it is needed, and remove weight where possible, while an improved functional geometry offers smoother action over a very wide range of angles. Standard 1 5 8th shaft fits most rafting oars perfectly right out of the box. The tips are blunt to minimize injuries, and the contact surface for the oar is wide and smooth,