Nafi' narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that he used to cover his sacrificial camels with Qubati (fine Egyptian linen) cloths, carpets and garments, then send them to the Ka'bah and clothe it with them.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 10185