 They drew up a written contract to that effect and solemnly pledged themselves to observe it.They then hung up the document in the interior of the Kaaba to make it even more binding upon themselves.When Quraysh did this, the Banu Hashim and the Banu al-Muttalib joined with 'Abu Talib, went with him to his valley and gathered round him there; but 'Abu Lahab 'Abd al Uzza b.