finally a solution [SEP] this is great over the past years i have tried everything on my poor dry feet i have hypothyroidism which causes dry skin poor circulation and hot cold feet this plus earth to skin heel tastic has finally cured the deep cracks in my feet this is better than sally hanson rasp any sanding block battery operated diamond rotary sander pumice stone sanding paddle you get the idea it has a variable speed which i have only used on high it plugs into the wall so no worries about batteries and low power the sanding pads are inexpensive and replaceable i get at least a week of daily use out of each one in the morning i gently sand my feet before i shower i make sure to soap my feet good then i apply the heel tastic just before i put on socks i notice a change in a couple of days the cracks were gone in a week oh i swim for an hour several times a week walk at least two miles a day and it still works