crack [Verb] + knuckle [Noun]

Strength Strength Dispersion
A:
8
CHISQ:
1,439.01
AWT:
13,047,036
TTEST:
2.81
G2:
78.02
FAWT:
4.17
MI:
7.51
LOGLOG:
22.52
JD:
0.61
MI3:
13.51
DICE:
0.87
RANGE: