One week after a covert operation left 11 of Boulder B-cycle’s 13 kiosks ensconced in knit cozies, the “yarn bombers” responsible for the act were hit with their own surprise: the cozies were stolen.

No matter how you spin it, several Dallas neighborhoods are under siege from so-called "yarn-bombers." The group of knitters uses the cover of darkness to decorate public fixtures with colorful yarn ...