Sunan Abi Dawud

Jarir ad-Dabbi reported:I saw Ali (Allah be pleased with him) catching hold of his left hand) by his right hand on the wrist above the navel. Abu Dawud said: Sa'id b. Jubair narrated the words: ""above the navel"". Abu Mijlaz reported the words: ""below the navel"". This has also been narrated by Abu Hurairah. But that is not strong