Musannaf Ibn Abi Shayba 19:612

Abu Bakr narrated to us, he said: Abu al-Ahwas narrated to us, from Abu al-Harith al-Taymi, from Ibn Majid, from Abdullah, that he called for a whip and broke its tip until it was made right for him, then he struck with it. And he called for a flogger and said: "Flog."