Hamam bin Munabbih همام بن منبه بن كامل · The Book of Purification

"Are you wiping (over you Khuffs)?" He said: "I saw the Messenger of Allah (ﷺ) wiping (over his Khuffs)." The companions of 'Abdullah liked what Jarir said, because Jarir became Muslim shortly before the Prophet (ﷺ) died. In the narration recorded by At-Tirmidhi Nos. 93,94) this comment is attributed to Ibrahim, one of the narrators.

"I used to see it on the garment of the Messenger of Allah (ﷺ) and scratch it off."

"I remember rubbing the Janabah from the garment of the Messenger of Allah (ﷺ)."