| 摘要 |
PURPOSE: An elastic ball for increasing the height is provided, which makes natural foot shape maintained and can prevent the visual resistance. CONSTITUTION: An elastic ball for increasing the height has a spherical form and is equipped with the body in which the inside is empty and the whole is made of elastic material. The first and second through-holes are formed in the center and one side of the upper body. A cushioning layer(130) is formed in the lower center part and is more thicker in the center than the edge. The cushioning layer is located at the lower part of the heel of the foot. The cushioning layer is lifted from the surface at the predetermined height and is supported.
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