sentence: A man in a padded gym room demonstrates how to kick box with a pair of gloves and a hanging punching bag. sentence:   A barefoot man in a red t-shirt and wearing boxing gloves stands in a mirror walled gym room, on a padded floor and demonstrates how to jab, all while talking to the camera. sentence:   The man then demonstrates foot work and guard and block boxing techniques. sentence:   The man then incorporates the use of the punching bag to demonstrate block, jab and foot work moves on the bag.