11.  A. What he probably meant to say was that they should never be pruned into tight little balls or overly manicured hedges.

12.  Fingers contract into tight balls.

13.  Others curl into tight balls under cotton sheets and blankets.

14.  Then their quills erupt and they curl themselves into a tight ball.

15.  Wad it into tight balls.

16.  When they form a tight ball, he dips his homemade net, twists it into the school and scoops.