Ibn Abbas reported that Mu'awiya had said to them:Do you know that I clipped some hair from the head of Allah's Messenger (ﷺ) at al- Marwa with the help of a clipper? I said: I do not know it except as it verdict against you

Ibn Abbis (Allah be pleased with him) reported that Mu'awiya b. Abu Safyin had told him:I clipped the hair (from the head of) Allah's Messenger (may peace he upon him) with a clipper while he was at al-Marwa, or I saw him getting his hair clipped with a clipper as he was at al-Marwa