Looping

A Slinky, coils, an ink painting, or some wild wheelies at 3 am

Marking territory or making the mark

A severed Moebius strip, dance of a figure 8

Another loop where the sidewalk ends

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I made the first Moebius strip without knowing what it was.
-Max Bill

The best way to keep children at home is to make the home atmosphere pleasant, and let the air out of the tires.
-Dorothy Parker