I saw Ibn ʿUmar passing by a man who had made his Badana sit to slaughter it. Ibn ʿUmar said, "Slaughter it while it is standing with one leg tied up as is the tradition of Muhammad."  

ابْعَثْهَا قِيَامًا مُقَيَّدَةً سُنَّةَ مُحَمَّدٍ ﷺ وَقَالَ شُعْبَةُ عَنْ يُونُسَ أَخْبَرَنِي زِيَادٌ