1 offensive player and 1 defensive player.
The offensive player will dribble through the cones, once the player has reached the last cone the player will dribble towards the basket and shoot a jump shot.
You want players to stay low in their stance, keeping thir head in line with the defensive player's waist.
Keep watching for technique and that players are not bringing their feet together.
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.