Imam Maalik مالك بن أنس بن مالك بن أبي عامر · The Book of Purification and its Sunnah

"Abu Sa'eed Al-Khudri narrated to me, that he bears witness that the Messenger of Allah forbade facing the Qiblah when defecating or urinating.'"

Mahmud bin Rabi' remembered that the Prophet spat into a bucket from a well that belonged to them.

"The Prophet bathed to cleanse himself from sexual impurity, then he saw a spot that the water did not reach." Then he motioned with the hair hanging over his shoulders and squeezed (the water from it) over that spot." (Da'if)In his narration, Ishaq said: "So he wrung his hair over it."