hardened [Adjective] + skin [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
175.99
AWT:
21,731,226
TTEST:
1.96
G2:
30.72
FAWT:
2.5
MI:
5.52
LOGLOG:
11.04
JD:
0.39
MI3:
9.52
DICE:
0.11
RANGE: