Is rubbing the hands together required as part of ritual handwashing?

BlessingsNetilat YadayimTechnique

Synopsis

The Talmud and poskim require rubbing the hands together (shefshuf) as part of handwashing. Authorities debate whether this is mandatory in all cases, including when a full revi'it was poured per hand or when hands were immersed.

Rishonim
Early Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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