Shop › Double Knob Trainer - Adult 31" - 35" Double Knob Trainer - Adult 31" - 35" $133.00 Double Knob Trainer. Great to keep hands over/under through the zone. Free Customization available when added to Cart! Double Knob Trainer. Great to keep hands over/under through the zone. Free Customization available when added to Cart! Add to Cart Added! Vuk Gripz $18.00 Color: Black Yellow Green White Blue Red Add Added! Bottle Opener Addition $35.00 Add Added! + Upgrade to MLB Prime Pro Maple $32.00 Add Added! You Might Also Like Vuk Gripz $18.00 One Handed Trainer $57.00 Bottle Opener Addition $35.00 MODEL # U47 - Adult - Max Barrel Width 2.5" $133.00 The Drip - 30" Drop -5 $110.00
