Slide, and judge the line. Move together with the ball, and read the moment to step and hold against the striker or the through ball, or to drop.
A striker holds in behind the back four. The unit slides with the ball, and judges when to step and hold to read the through ball or catch the striker, and when to drop. Emphasise the decision of the line and stepping together. Rotate.
Fork it into your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block.