Amanzi pull buoys amanzi gumball 4 layer pull buoy multi isolate your legs and build real upper-body power with every length. The amanzi gumball 4 layer pull buoy has been designed to isolate the legs, promoting upper-body strength and technique improvement. The pull buoy reduces leg movement while swimming, allowing the swimmer to focus on arm strokes during training sessions. Suitable for beginner and advanced swimmers alike, it enhances core strength and helps you get more from every session in the pool. Train smarter, stroke by stroke. Upper-body focus core strength technique training beginner to advanced eva construction 4-layer design 3 key features leg isolation the pull buoy is specifically designed to reduce leg movement while swimming, letting you remove the kick from the equation entirely. This forces your upper body to do the work, building strength and endurance where it counts. It is one of the most effective tools for improving your catch and pull phases. Technique improvement by taking your legs out of the picture, the gumball pull buoy encourages better body position and a more efficient arm stroke. Swimmers of all abilities use pull buoy work to identify weaknesses in their stroke and correct them under controlled conditions. Regular use translates directly into faster, cleaner swimming. Core strength development holding a stable, horizontal position with a pull buoy demands consistent core engagement throughout each length. Over time, this targeted trai...