مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2925
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that the Prophet (ﷺ) forbade walking in one khuff or oոe shoe,
Musnad Ahmad 2948Its isnad is da'eef jiddan]