1)
What are "Atzilos Yadecha"?
1.
Rashi: Your underarms. Radak - we also find this in the masculine - "Al Kol Atzilei Yadai" (Yechezkel 13:18).
QUESTIONS ON RASHI
2)
Rashi writes that he told him to put the tattered clothes under his underarms. Why did he do so?
1.
Rashi: It was so the ropes would not harm him.