Musannaf Ibn Abi Shayba 3:5280

Yahya ibn Sa’id al-Qattan narrated to us, from al-Taymi, from Abu Tamimah, from a woman from Banu Kulayb, who said: ‘A’ishah saw me glorifying [Allah] with prayer beads that I had with me. She said: "Where are the witnesses?"—meaning the fingers.