What is "unspinning"

Usage examples of "unspinning".

Uncle Gavin sat on the back of his neck practically, his legs crossed on the desk, chewing the bit of his corncob pipe and spinning and unspinning around his finger his watch chain weighted with the Phi Beta Kappa key he got at Harvard.

While she had sunk into visions of disaster, her spindle had reversed direction, unspinning all she had done with the unmagic from the current bottle.