Seven players with two balls. One player is based at the circle of the free throw line (Player 2). Player 1 passes to player 2, player 1 who makes a cut and goes for a hand off pass. Player 1 passes to player 3 and goes to replace player 3. The same happens on the other side of the court using players 4, 2 and 5.
Four players standing still make every ball handler's job harder. Teach V-cuts, L-cuts and back cuts so your team gets open and punishes defenders who overplay.
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.