Pull buoy is a common piece of swimming equipment used for training and improving technique. Some synonyms for pull buoy include float, buoyancy aid, kickboard and swim float. These terms refer to similar items used for different purposes during swimming. The float and buoyancy aid are used for buoyancy, while the kickboard is specifically designed for kicking drills. Swim floats are also used for recreational swimming or safety purposes. Whatever the name, these items are invaluable for swimmers of all levels who want to improve their strokes, endurance and speed in the water.