[Machine] The Messenger of Allah ﷺ used to wear a ring with the inscription "Muhammad, the Messenger of Allah" and whenever he entered the bathroom, he would remove it.
أَنَّ رَسُولَ اللَّهِ ﷺ «لَبِسَ خَاتَمًا نَقْشُهُ مُحَمَّدٌ رَسُولُ اللَّهِ فَكَانَ إِذَا دَخَلَ الْخَلَاءَ وَضَعَهُ»