| 摘要 |
A retractable anchoring device comprises a hollow tubular member, an auger, and a fastener. The retractable anchoring device may move from a retracted position in which the auger is preferably completely contained within the hollow tubular membe r, to a protracted position where the auger is exposed and may be driven into the ground whereby the hollow tubular member can support a shade providing device, or t he like.
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