وَلَهُمَا فِي حَدِيثِ مَيْمُونَةَ: «ثُمَّ أَفْرَغَ عَلَى فَرْجِهِ، فَغَسَلَهُ بِشِمَالِهِ، ثُمَّ ضَرَبَ بِهَا اَلْأَرْضَ»
The Messenger of Allah (sallallahu alayhi wa sallam) poured water over his private parts and washed them with his left hand. He then struck his hand against the earth.
Bulugh al-Maram 145, Book 1, The Book of Purification, Hadith 145. 1 min read