| 摘要 |
A heel strap for an open heel swim fin is designed to securely hold the user's foot in the swim fin, yet minimize ankle and foot movement within the heel strap. The heel strap comprises a heel pocket and a set of straps. The heel pocket is shaped to substantially cover the bottom of the heel and to cover all sides of the heel. The straps extend from the heel pocket. They are dimensioned and configured to adjustably attach to the swim fin.
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