On which hand does a left-handed person (ittir) wear tefillin?
Synopsis
A full left-hander wears tefillin on his right hand (weaker hand). A dispute exists for an ambidextrous person — whether he goes by his weaker hand or writing hand — and the Rema rules according to the writing-hand opinion as normative practice.
More in How to Put On Tefillin
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Discussion
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