Biting nails with thy teeth as opposed to nail clippers or some pair of scissors is Osuur mi’deRabbonon, so doesn’t carry an Issur Sekilo for Schabbos nor an Issur Koreis for Yom kippur as would a Toroh prohibition.
Biting nails with thy teeth as opposed to nail clippers or some pair of scissors is Osuur mi’deRabbonon, so doesn’t carry an Issur Sekilo for Schabbos nor an Issur Koreis for Yom kippur as would a Toroh prohibition.