Hadith 8:953
Abu Bakr narrated to us, he said: Abu Khalid narrated to us, from Ibn Jurayj, from ‘Ata’, who said: Its coverings are to be removed so that it does not roll in them, meaning the sacrificial animal (al-badan).
حدثنا أبو بكر قال حدثنا أبو خالد عن بن جريج عن عطاء قال ينزع جلالها لا تتمرغ فيه يعني البدن