Ali bin Ms'hr علي بن مسهر · The Book of Ghusl and Tayammum

That 'Umar asked the Messenger of Allah (ﷺ) about Ghusl from Janabah - and the narrations agree on this - that one should start by pouring water on the right hand two or three times, then put the right hand into the vessel and pour water with it onto the private parts, with the left hand on the private parts to wash off whatever is there, until it is clean; then put the left hand on the dust if one…