In ancient civilizations, removal of the human penis of fallen enemies was sometimes used as a means of what?

Explanation

In ancient civilizations, removal of the human penis was sometimes used as a means of demonstrating superiority. If an army had won a big battle, they sometimes cut off the penis of their enemies to count the dead, as well as for trophies. It happened, for instance, when the Egyptians conquered Libya in the 13th century b.C. A total of 13,320 penises were cut off and collected.