This ball heads can withstand heavy loads, lock solidly, and move smoothly. Aiming and horizon leveling can be accomplished as one instinctive motion, and rigid lockup takes just a quick twist of one control. Using this tripod ball heads are also much easier to carry and pack than tripods with pan-tilt heads—no long, protruding handles. mply screw the tripod ball head on your tripod. Then screw the whole tripod set to your camera.