ENHANCES GRIP: Anti-slip grooves engineered to improve grip. ABSORBS SHOCK: Aids in anti-vibration to reduce sting of the bat/ball contact ULTRA DURABLE: Designed with an ultra-durable construction to extend product life-span IMPROVES TECHNIQUE: Pushes bat towards fingertips, producing faster wrist turns and quicker bat speed HOW TO USE: Insert the thumb on your top hand when hitting (right for righties, left for lefties) into the hole with the curved edge along the curve between the index finger and thumb. This will push the bat handle closer to your finger tips for a faster swing