I seem to be missing the posts invoking the scriptural directive for this.
At the Last Supper, Christ washes the feet of the apostles, correct. He is the servant.
Jesus sets the example for all nuns, brothers, priests, deacons and bishops — right there at the Last Supper.
Is that in your Bible?
Be a servant, always.
“Lovoe one another as I have loved you.”
"But every woman praying or prophesying with her head not covered, disgraceth her head: for it is all one as if she were shaven." 1 Corinthians 11:5
-— I seem to be missing the posts invoking the scriptural directive for this. -—
And I seem to be missing the scriptural teaching that says that religious dress and all religious practices must be stated explicitly in scripture.