"The Messenger of Allah ﷺ would tell one of us, if she was menstruating, to tie her Izar (waist wrap) tightly then he would fondle her." (Using translation from Nasāʾī 285)
كَانَ رَسُولُ اللَّهِ ﷺ «يَأْمُرُ إِحْدَانَا إِذَا كَانَتْ حَائِضًا أَنْ تَشُدَّ عَلَيْهَا إِزَارَهَا ثُمَّ يُبَاشِرُهَا»