1)
What is "Ashpaso"?
1.
Rashi: It is the container that holds arrows. Radak - it is called so, for the arrows kill whomever they touch. It is as if all are buried in a wasteheap.
2)
What is the significance of an open grave?
1.
Radak: It is prepared to cast the dead in it.
2.
Malbim: When the archer opens his case of arrows, he will not miss; he will bring dead to the grave.
3)
Why does it say "they are all Giborim"?
1.
Radak: They are experienced warriors. You cannot escape them.
2.
Malbim: This refers to those who fight from nearby, with a sword.
