Wanted to improve my walking. insoles added. I could never get a person to person. Sales person long gone. I trusted the ad. I phone , they just said to use them less? Really messed up my feet. I got formed insoles from my dr. for my feet. Helped the problem of dragging my feet - not wearing out the heels of my shoes. I was with the good feet insolesavoid User's recommendation: avoid go to your foot dr .