Players line up opposite each other. Player 1 passes to Player 2 and then follows their pass to put pressure on the attacker.
The attacker has to go around the cone on either their left or right before passing the ball back to next person waiting in the queue.
The player waiting in the queue then throws the ball back to player 2 before the drill can start again.
The receiver must wait until the defender is approximately one-arm's length away before commencing their dribble.
Good team defence is five players guarding the ball, not five separate one-on-ones. The shell drill is where that starts, so here is how to teach help-side positioning and rotations from the first week of the season.
Rebounding is the least glamorous thing in basketball and one of the most decisive. It is also almost entirely a habit, which means it is entirely coachable.
Good spacing is only the start. The best modern offences teach players to attack the defence's rotations and play in a permanent 4-on-3 - here is how to coach that read.