punch projectiles or headcrabs with the feedbacker to send them back at your enemies.

projectiles like an AR2 ball

or a thrown item like a grenade

you bind a key to the command, and when you press it you punch. If you punch when someone is attacking or there is a projectile coming towards you, It cancels the attack if you get attacked by an enemy and launches the projectile back.

its basically just a punch mod for all i know i haven't played overkill

*Ultrakill*