Karayb bin Abi Muslim كريب بن أبي مسلم الهاشمي · The Book on Purification

"I prepared some water for the Prophet to perform Ghusl for Janabah with. So he turned the vessel with his left hand, (pouring some water) over his right. Then he washed his hands. Then he entered his hand into the vessel to pour water over his private area, then he rubbed his hands on the wall, or the ground. Then he rinsed out his mouth and washed his nose by putting water in and blowing it out, and washed his…