"Prior to the crucifixion, Jesus washed His disciples feet:
John 13:5-10 …He poured water into a basin and began to wash the disciples feet…
Then He came to Simon Peter. And Peter said to Him, "Lord, are you washing my feet?"
Jesus answered him. "What I am doing now you do not understand now, but you will know after this."
Peter said to Him, "Lord not my feet only, but also my hands and my head!"
Jesus said to him, "He who is bathed needs only to wash his feet, but is completely clean; and you are clean…"