Finger Joints That Can Make a Cracking Noise
This page is the CodyCross answer for the clue below from Small World, Group 682, Puzzle 4 (Breakfast Cereal).
Question is: Finger Joints That Can Make a Cracking Noise
and the answer is: KNUCKLES
Word Meaning:
KNUCKLES — plural of knuckle
Definitions from Wiktionary.