| 摘要 |
A bottom fin for a watersports board such as a surfboard or a windsurfer board. It has an upper body portion having a leading edge that extends downwardly and rearwardly from its front end. The bottom fin also has a lower body portion having a leading edge that extends downwardly and forwardly from the bottom end of the leading edge of the upper body portion. The upper body portion and lower body portion have a trailing edge that extends downwardly from the rear end of the top edge of the bottom fin all the way down to its bottom end. An elongated bulbous member is connected to the bottom end of the fin. There are attachment lugs extending upwardly from the top end of the bottom fin for securing the fin to the bottom surface of a watersports board.
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