Sunan Abi Dawud, Hadith 686 ⓘ
'Ata said: The back of the saddle is (about) one cubit (in height) or more than that.
حَدَّثَنَا الْحَسَنُ بْنُ عَلِيٍّ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، عَنِ ابْنِ جُرَيْجٍ، عَنْ عَطَاءٍ، قَالَ آخِرَةُ الرَّحْلِ ذِرَاعٌ فَمَا فَوْقَهُ .
also referenced under: Hadith 686 (DarusSalam) & Book 2, Hadith 686 (USC-MSA)