Theres nothing worse than your feet throbbing and burning after a long day at the office or shopping these brilliant little monkeys sit perfectly inside your shoe and help to give a soft comfortable cushion to your feet the ball of your foot is cushioned and they help to prevent your feet slipping and sliding in your shoe theyre also perfect when it comes to strappy shoes and mules as they prevent your foot slipping forward and are almost invisible in the shoe made from poron a