He laughs, loosens his yukata sash, and watches a bright red lantern sway on a silky Thread, drifting slower and slower until it almost stops.
The crowd chants “ゆるゆる,” that onomatopoeia for slack and sway, and the samurai thinks: ah, this is what it means to Slacken - let the Thread ease, release the abducted pull, and relax into the night.