1094412 Tom doesn't like it when Mary cracks her knuckles. CK 1 2644954 Tom cracked his knuckles. CK 2644809 Tom skinned his knuckles. CK 2815157 Stop cracking your knuckles. Hybrid 2952249 I heard Tom cracking his knuckles. CK 16106 You'd better knuckle down to work. CK 1435894 As incredible as it may seem, she ordered a knuckle of ham with sauerkraut. caspian