[Avodah] Not wearing tefillin shel yad protector

[Zev Sero]

See _Ashkavta Derebbi_, by Rabbi MD Rivkin, pages 35 and 38-39

http://hebrewbooks.org/pdfpager.aspx?req=3404&pgnum=57
http://hebrewbooks.org/pdfpager.aspx?req=3404&pgnum=60
http://hebrewbooks.org/pdfpager.aspx?req=3404&pgnum=61


On covering the shel yad with the sleeve, see pages 32 and 35-38

-- 
Zev Sero            A prosperous and healthy 5779 to all
zev at sero.name       Seek Jerusalem's peace; may all who love you prosper