I was a guest of the Prophet ﷺ one night, and he ordered that a side of meat be roasted. He took up the knife and began slicing some of it for me.Then Bilal came to call him to prayer. He set the knife down and said, "What is the matter with him? May his hands be covered with dust!"Mughirah said, My moustache had grown long, so the Messenger of Allah ﷺ trimmed it for me on a siwak, or he said, "Let me trim it for you on a siwak."
حدثنا وكيع حدثنا مسعر عن أبي صخرة جامع بن شداد عن مغيرة بن عبد الله
ضفت بالنبي ﷺ ذات ليلة فأمر بجنب فشوي قال فأخذ الشفرة فجعل يحز لي بها منه قال فجاءه بلال يؤذنه بالصلاة فألقى الشفرة وقال ما له تربت يداه قال مغيرة وكان شاربي وفى فقصه لي رسول الله ﷺ على سواك أو قال أقصه لك على سواك