مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2373
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that 'Abdullah bin 'Abbas (رضي الله عنه) said: I saw the Messenger of Allah (ﷺ) on a rainy day, trying to avoid the mud when he prostrated with a cloak he was wearing, placing it under his hands on the ground when he prostrated.
Musnad Ahmad 2385Hasan and its isnad is da'eef because of the weakness of Hus