‘A'isha said that God’s messenger was using the tooth-stick when two men, one older than the other, were with him. A revelation came to him about the excellence of the tooth-stick in which he was told to show proper respect, and give it to the older of the two. Abu Dawud transmitted it.

وَعَنْ عَائِشَةَ رَضِيَ اللَّهُ عَنْهَا قَالَتْ: كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَسْتَنُّ وَعِنْدَهُ رَجُلَانِ أَحَدُهُمَا أَكْبَرُ مِنَ الْآخَرِ فَأُوحِيَ إِلَيْهِ فِي فَضْلِ السِّوَاكِ أَنْ كَبِّرْ أَعْطِ السِّوَاك أكبرهما. رَوَاهُ أَبُو دَاوُد