2 Samuel 20:6-8

6 So David said to Abishai, “Sheba will hurt us more than Absalom ever did. Take my best soldiers and go after him. We don’t want him to take over any walled cities and get away from us.” [2]

7 Abishai left Jerusalem to try and capture Sheba. He took along Joab and his soldiers, as well as David’s bodyguard [3] and best troops.

8 They had gone as far as the big rock at Gibeon when Amasa caught up with them. Joab had a dagger strapped around his waist over his military uniform, but it fell out as he started toward Amasa.