| 摘要 |
A stabilizing device. The device can have a generally planar, polygonal shape defined by edges forming a perimeter. The device has a vertical axis and a horizontal axis. The device further includes at least one ground-contact edge generally parallel to the horizontal axis, the ground-contacting edge being in contact with the ground when the device is in use, and at least three edges defining an open-ended slot, the slot being oriented generally parallel to the horizontal axis. |
