(104) باب مَا يَسْتُرُ الْمُصَلِّي
Talhah b. 'Ubaid Allah reported the Messenger of Allah (ﷺ) as saying:
When you place in front of you something such as the back of a saddle, then there is no harm if someone passes in front of you (i.e. the other side of it).
Reference: Sunan Abi Dawud 685
In-book reference: Book 2, Hadith 295
English translation: Book 2, Hadith 685