Buy at the pharmacy medical plaster, cut into small strips or squares and glue on the sole and heel. Through the power of sliding friction is reduced to a minimum, but the patch should be changed often enough. The fact that he quickly gets wet and unstuck. To predict how long it will last patch on the sole, it is impossible. Generally, from a few hours to 2-3 days.
Good anti-slip felt. It can be cut from old boots or removed from the surface normal sponge for washing dishes. Cut out a piece of the shape of your boots, put on clean shoe soles "Moment" and glue the felt. To glue on the boots completely dried out, do not leave them on the street during the day. This method effectively prevents slipping, but eventually cleared and felt. Instead, it can be glued sandpaper cloth.
If for some reason you do not want on the boots were glued remedies, try to rub the soles of sandpaper. This cardinal way will not be as effective as the previous two, since the sole active wear boots polished natural way and starts to slide. Then you have to rub the soles again a few days later.