Patent: Exercising Device (Using Your Teeth)
Patent Number/Filing Date: 1,466,559 March 29, 1921
Feeling buff exercising your arms and legs and back and everywhere else you thought possible? Want to exercise more of yourself? Exercise your mouth and teeth! After all, in today’s modern world, food is often cooked so much that it doesn’t require a lot of chewing, so your mouth doesn’t get a lot of exercise, leading to underdeveloped jaws and teeth.
So claimed the inventor of this, er, exercise apparatus. This device is made with a plate that has indentations for teeth and then a stretchy cord which can be attached to a wall or another plate so you can play teeth tug of war with someone else interested in exercising their mouth. Then, with short jerks, you produce strain which strengthens your teeth and jaw.