摘要 |
<p>The ground contact surface of the sole of the shoes has a total of 2 to 100, preferably 3 to 15 indentations with depth of 0,5 to 9 mm, preferably 1 to 4 mm into which pieces of flexible, flat or profiled slip-fast material 1- 4mm thick are inserted using fastening means such as glue, velcro, screws or by implanting fits or by fastening on eye or presstuds or using magnetic force. The indentations are arranged so that the part of the surface of the slip-fast material juts over the edge of the indentation after fastening and the rest of the surface lies under the edge of the indentation. When the sole is loadedd down, it is pressed into the indentation and fills it.</p> |