Twins Special Training Bag Gloves Open Thumb They accomplish this by putting the hand into a natural fist position while providing enhanced protection during impact. They feature an open thumb and Velcro wrist strap which, combined with the added wrist support, allows for superior safety, fit, and comfort level. The extra safeguard of the thumb cushion provides a balance between protection and dexterity. These deluxe training bag gloves are perfect for people who really want to protect their hands. The deluxe bag gloves have more padding and a superior feel, but are designed specifically for bag work and contact training on pads.