Answer: nocks

AnswerCrossword Clue
NOCKSNotches in arrow ends.
NOCKSGrooves for bowstrings
NOCKSArrow grooves
NOCKSPrepares to shoot, as an arrow
NOCKSBowstring holders
nocksnotch or groove at each end of a bow, to hold the bowstring in place
nocksnotch or groove at the end of an arrow into which the bowstring fits
nocksNOCK, to notch a bow or arrow
nocksmetal or plastic piece at the end of an arrow, having a notch for the bowstring
nocksto furnish with a nock
nocksto adjust (the arrow) to the bowstring, in readiness to shoot