Horseshoe shaped transparent medical grade adhesive holds GEL to heal while YOU sleep. GEL lifts soften cells to the TOP to BE removed with a pumice. After a FEW nights of using HUTT'S heels. YOU will NO longer need to USE a pumice and YOU will BE left with smooth soft heels. Followup once every 4 6 weeks with a HUTT'S heels for ONE night to have continued success with soft smooth heels.