The instep volley is a way to make a pass or take a shot on goal. This technique is more about accuracy than power and will allow you to place the ball into the spot you want.
Start the drill by using your instep to pass the ball into the spot so that it comes back to you. As it comes back swap to your other foot and pass it back without letting it bounce, again using your instep. You need to alternate each time between your left and right fooot to make the pass. See how many you can do in a row without letting the ball bounce. As you master the skill move back from the 1m line to the 2m line and then the 3m line.