سنن أبي داود

Narrated Abdullah ibn Mas'ud:

We would not wash our feet after treading on something unclean, nor would we hold our hair and garments (during prayer).

Abu Dawud said: The tradition has been reported by Ibrahim b. Abi Mu'awiyah through a different chain of narrators: A'mash - Shaqiq - Masruq - 'Abd Allah (b. Mas'ud). And Hannad reported from Shaqiq, or reported on his authority saying: 'Abd Allah (b. Mas'ud) said.