A dog with a docked tail is not afraid that its backside can be seen.
More French Proverbs:
He who turns aside avoids danger.French
Grease a churl's boots and he'll say you are burning them.
French
He who holds the handle of the frying-pan turns it as he pleases.
French
A short sword for a brave man.
French
When the Frenchman sleeps the devil rocks him.
French
The sheep that is too tame is sucked by too many lambs.
French