It wasnarrated from Musa bin Talhah that his father said:
"We usedtoperform prayer while the beasts were passing in front of us. Thatwasmentioned to the Messenger of Allah (ﷺ) and he said: 'Ifsomething like the hand of a saddle* is placed in front of anyone ofyou, it will not matter whoever passes in front of him." (JA)
English reference (JA): Vol. 1, Book 5, Hadith 940 (JA)
Arabic reference (JA): Book 5, Hadith 993 (JA)