| 摘要 |
Improved cushioned footwear of the type in which, in the past, nails, such as heel nails, gang nails and/or heel seat nails extended into the heel area of the footwear and/or in which, in the past, such footwear included a rigid shank which extended into the heel area, is formed with an opening in the heel area. The heel plug of a cushioning element is placed in the opening. The apparatus for forming the opening is also disclosed.
|
