| 摘要 |
Embodiments of the present invention provide footwear that may be easily adapted for increased traction and/or recreation. Embodiments may include a chamber having a flexible wall, and retractable members coupled to the flexible wall such that when fluid is inserted into the chamber, the retractable members are extended from the bottom of a shoe and when fluid is removed from the chamber the retractable members are retracted into the bottom of a shoe.
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