Sitting on both feet

 303. Tawus reported: We asked Ibn ´Abbas about sitting on one´s feet (in prayer), he said: ´´It is Sunnah.´´ We said to him: ´´We fidn it a sort of cruelty to the foot.´´ Ibn ´Abbas said: ´´It is the Sunnah of your Prophet sallahu alayhi wa sallam.´´