At his feet— Deborah and Barak first went to Kedesh to levy the necessary forces, Judges 4:9.; which collected, they set forward for mount Tabor, Judges 4:6. Barak having the men at his feet; i.e. following him as their general.
Related Commentaries of Judges 4:10
Judges 4:10
10 And Barak called Zebulun and Naphtali to Kedesh; and he went up with ten thousand men at his feet: and Deborah went up with him.