Sunan At-Tirmidhi

Shahr bin Hawshab said:""I saw Jarir bin Abdullah performing Wudu and wiping over his Khuff."" He said: ""So I asked him: 'What is that?' He said: 'I saw the Prophet performing Wudu and he wiped over his Khuff.' So I said to him: 'Before Al-Ma'idah or after Al-Ma'idah?' He said: 'I did not accept Islam until after Al-Ma'idah