Fiddle with the weighted hem, open the latches on the needles, lay the elastic, attach pegs, select the key plate, unravel a length of yarn and begin. Hold the yarn at the beginning of a row, smoothly, smoothly run the carriage. Hold the yarn, begin again. Fifty times, over and over, smooth, careful.
You twitch. The yarn skips a needle, then another. The weight of the hem ladders them fifty rows down. Ten lemmings stitches leap off the needles.
The hole that was your work frames a lost black bean, cowering under the dining table. Left over kid dinner.
Bugger.