Freudian Slippers - Comfy Plush Slip-On Footwear slip-on closure Walk in Sigmund Freud's footsteps with these plush and comfy Freudian Slippers! Each slipper has our patented built-in sock tongue! Wiggle your toes to make Freud's tongue move! Available in men's and women's sizes (see sizing chart in product photos). Comes in an attractive gift box and make a great gift for anyone in therapy (or needing therapy). Click on "The Unemployed Philosophers Guild" near the product title to see more great gifts. UPG truly has presents of mind.