American footballer learn to tackle, United States of America.
American footballers in training, United States of America.
Full titles read: "THE TACKLER ! - Here's an idea for our Rugby enthusiasts to think about - a new machine for training in the gentle art of tackling."
Several shots the player practising tackling on a dummy which is hanging from a metal bar. Various shots of the players being encouraged by trainers as they run and grab hold of the dummy and pull it to the ground.