Place 2 cones on the left and right elbow.
Start in front of the right cone facing away from the basket with the ball spin the ball behind the cone run to it catch it pivot towards the basket and sweep the ball low and fast and dribble into the post quickly do a crossover and complete a layup. Once you have completed the right hand layup do the same thing with the left cone and left hand now instead.
Complete 10 layups with each hand.
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.