What does the Pasuk mean when it writes "ba'Tzemer O ba'Pishtim"?
Rashi #1: It means that The garment ... that is made out of wool or linen. 1
Rashi #2: It comes to preclude from the law of burning garments that are made of other materials.
It does not come to require shearings of wool or stalks of flax to be burned together with the stricken garment, as is implied - because the Torah writes " ... Hi ba'Eish Tisaref" (Rashi).