[Avodah] Shehechiyanu: Tallis vs Tefillin

[Micha Berger]

Another Qitzur SA question:

In 59:8: Qanahlo talis shel mitzvah ... yevareikh shehechiyanu

Not much later, 59:9: Al sefarim chadashim sheqanah eino mevareikh
shehechiyahu. Because mitzvos lav leihanos. It's actually a machloqes
acharonim, and someone who is excited about finally getting a particular
seifer and wants to make a berakhah, may.

Nu, why don't we say "mitzvos lav leihanos nitnu" on a talis (which RSG
even specifies as "shel mitzvah")?

Tir'u baTov!
-Micha

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