gird one's loins
gird up one's loins

Wondering what one actually used to gird one's loins, he set out to beard the lion in her den.

Sooner or later, one has to gird one's loins (that's appropriate) and get up and find it.

"How does one gird one's loins.

The term "gird one's loins" was used in the Roman Era meaning to pull up and tie one's lower garments between one's legs to increase one's mobility in battle.