Masterjack Double Penetration JO Black IceMASTERJACK double holed grip handle stroker. OXBALLS Heavy, fleshy MASTERJACK is for pro level gooners, strokers that crave something thick with two hole they can fuck with hard. Its hefty, feels blubbery in your fist and packed with features thatll make your JO so much better than a basic handy. MASTERJACK has a handle so no matter how greasy sloppy and wet you bate, it stays in your fist. Itss made of our softest silicone blend flubbery