Imam Bukhari narrates: Abu Nu'aim narrated hadith to us, he said: Shaiban narrated hadith to us, from Yahya bin Abi Kathir, from Ikrimah, he said: I heard from Yahya, or I asked Yahya, then he said: I heard Hazrat Abu Hurairah, may Allah be pleased with him, saying that I bear witness that I heard the Messenger of Allah ﷺ saying that

whoever prayed in a single cloth, he should keep its two ends opposite to each other (that is, put the right end upon the left shoulder and the left end upon the right shoulder, then tie a knot between them).