They prevent irritation and blisters on the back of the shoe
The protector applies to the back of the shoe where blisters and irritations mainly occur. It reduces friction with the shoe while preventing the foot from slipping inside it.

It is particularly thin and discreet and applies easily without disturbing the user.
Place on the back of the shoe, on a clean and dry shoe. Remove the special paper and stick the protector onto the shoe. Place the Heel Grip so that the straight surface of the sticker is on the top of the shoe. It is kept in a cool and shady place.