The Harbinger Ab Crunch delivers a simple and convenient way to target your upper body and core

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Jr & LTD Balls 12 Ball Adjustable Auto Feeder In/Out Swing Variable Speed up to 100kph Main power supply included Can be portable with battery pack (not included)

it’s ideal for striking the bat face and especially effective for knocking-in the edges

ultra comfort and easy fitting…aka

Large Massage Firm Therapy Roller Size:OSFA The Harbinger Ab Crunch deliversThe special cone shaped surface allows you to deeply penetrate into soft tissues, breaking up scar tissue and fascia adhesions. The Large Massage Therapy Roller offers the same level of compression and trigger pointing as the Mini PTP Therapy Roller in firm density.