Getting Rash with one's Tefillin On

«14-year-old boy who complained of a chronic rash on his left arm and hand has been diagnosed with allergy to chemical used to process tefillin straps.»


http://www.jpost.com/NationalNews/Article.aspx?id=239107

or http://tinyurl.com/3fsezaf

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Would Rabbenu Tam tefillin cause less RASH then RASHI tefillin?

Shalom,
RRW