[Machine] To wash away the traces of excrement and urine from them, for we are embarrassed to forbid them from doing so, and indeed the Messenger of Allah ﷺ used to do it.
أَنْ يَغْسِلُوا عَنْهُمْ أَثَرَ الْخَلَاءِ وَالْبَوْلِ فَإِنَّا نَسْتَحِي أَنْ نَنْهَاهُمْ عَنْ ذَلِكَ وَإِنَّ رَسُولَ اللهِ ﷺ كَانَ يَفْعَلُهُ