Finis Tech Toc Dispositivo d'Allenamento Torsione Fianchi, Giallo
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- Improves hip movements with audible feedback improving efficiency in the water, Improves timing, Teaches you to swim symmetrically hearing and feeling the stroke rhythm when rolling, Establish rhythm, Compatible for freestyle and backstroke communicating hip rotation timing, Compatible for breaststroke and butterfly acting as a fulcrum signalling a strong hip undulation, Adjustable nylon belt fitting all sizes
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