שופטים ד:י פירוש: רש״י, Metzudat David, Metzudat Zion ורד״ק

At his heels. With him.

And he went up: He brought up ten thousand to Mount Tabor, etc. - in that they went up after him, as in (Judges 8:4), "for the nation that is behind [me]" (literally, "at my feet," like here).

they answered the meeting that was gathered by the call of the gatherer, as in 18:23 "what do you want, why did you shout.?"