פירוש על עבודה זרה 81:5

A baraita adds three more items which if the image is found holding or wearing, is considered an idol. The Talmud then goes on to explain two things. First of all, why weren’t these items on the original list, that in the Mishnah. What were the rabbis who didn’t include them thinking? Second, what do they actually symbolize such that the rabbis prohibited idols featuring these objects?