"If one of us was menstruating, the Messenger of Allah ﷺ would tell her to put on an Izar (waist wrap) then he would fondle her." (Using translation from Nasāʾī 286)
كَانَتْ إِحْدَانَا إِذَا حَاضَتْ «أَمَرَهَا رَسُولُ اللهِ ﷺ أَنْ تَتَزِرَ ثُمَّ يُبَاشِرُهَا»