| 摘要 |
<p>A training pad (1), which is a planar pad having a surface (6) and a bottom surface, and which comprises of two or several pad units (3), whereby at each time two pad units (3) can be folded against each other by a hinge point (2) connecting them, in which the hinge is a groove (5), the angles of the cross section of which groove exceed 90 degrees and in which hinge point (2) the material thickness at the bottom of the groove (5) is 1-1,6 mm.</p> |
