I have them in both heels. Tripped and landed hard on left foot, broke a piece off. Thought that I had broken my foot. Doctor told me to get a shoe with a cantilevered heel( shaped like a horseshoe on the bottom of the heel),purchase two pairs and wear them 24/7.The only time to take them off would be shower & bed. But he added " if you buy two keep one to wear only in bed" :shock: I thought he was kidding ! He wasn't , skeptical but gave it a go. By the third day I was able to walk normal. I did wear them to bed, it took some getting used to, but it does work,something about keeping your foot at a specific angle while sleeping. Took Ibuprofin for pain & swelling, by three weeks the pain was gone. I can now wear regular shoes and can walk very slowly and carefully barefoot. Try it you will be surprised!