7 But made himself of no reputation, and took upon him the form of a servant, and was made in the likeness of men: 8 And being found in fashion as a man, he humbled himself, and became obedient unto death, even the death of the cross
The Substitute v.6
The Savior v.8
Jesus took a towel in v.4 and Jesus became the towel in v.5
When Jesus removed the towel and put His garments back on, it indicated the job was finished.