Gorba's Stepping Stones
Gorba's Stepping Stones are magic flagstones in the wizard's garden that bounce whoever stands on them off in the direction of the compass their feet indicate.
First named in Grampa in Oz, ch. 6
Gorba’s Stepping Stones, Guaranteed for seven centuries.
What the books say it is
trait right foot to go east, left foot west, both feet south, and on your head to go north 1 chapter
Stand on the right foot to go East, on the left to go West. Stand on both feet to go South. To go North stand on your head.
Grampa in Oz, ch. 6