| 摘要 |
<p>The invention provides footwear (10) comprising a support member (12) having an upper surface (14) attachable to a foot, characterized by two bulbous protuberances (22), one of said protuberances (22) being positioned more posteriorly than the other of said protuberances (22), and in that at least one of said protuberances (22) is slidably mounted on said support member (12).</p> |
