| 摘要 |
<p>The shoe has a removable upper and an arch joined, at its extremities, to front (2) and back (3) parts, which form the sole and the heel. The arch is curved and has some grooves (9, 10, 11), at the front and back, into which corresponding projections (6, 8) on the front and back parts fit. The front and back parts can be interchanged with corresponding parts of different shapes and dimensions, producing shoes with different shapes. The base of the back end of the arch and the lower end of the back part are in contact with the ground and together form the heel of the shoe.</p> |
