Are you one to take the bull by the horns? Or rather a sphere-shaped hold by the, well, you know what? You will need all the gumption you can muster to hold on to one of our most popular Boulder Happy Balls Mini Volumes: number 10! It looks like the logo for legendary British DJ, Deadmau5. This two-grip hold is fun on any wall and amazing to climb. Additional screw holes ensure a more secure attachment to the wall and make it easier to position the hold when route setting.