Free yourself and finish the overlap. Time the run to get across your marker and attack the full-back's cross first.
As the base, but a defender marks the striker. Emphasise the striker's movement to lose the marker and attack the cross first. Start the defender passive, then live. Both flanks. Rotate the roles.
Fork it into your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block.