Narrated Aishah, Ummul Muminin: The Messenger of Allah ﷺ was using the tooth-stick, when two men, one older than the other, were with him. A revelation came to him about the merit of using the tooth-stick. He was asked to show proper respect and give it to the elder of the two.
Hadith Referenceسنن ابي داود / كتاب الطهارة / 50
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح, مشكوة المصابيح (388)
Hadith Takhrij« تفرد به أبو داود، (تحفة الأشراف: 17132) (صحیح) »