י

עָרֹם, לֹא יִשְׁחֹט לְכַתְּחִלָּה, מִפְּנֵי שֶׁאֵינוֹ יָכוֹל לְבָרֵךְ.

 

Seif 10

 

A naked person is not allowed to slaughter from the outset due to not being able to say the blessing.