Remove Shower Handle and Escutcheon Plate

What happens here

The shower handle on many Kohler single-handle fixtures doesn't screw directly onto the stem. Instead, the handle's decorative escutcheon (the round plate behind the handle) usually spins to release the handle. Gently grasp the escutcheon and turn it counter-clockwise (lefty-loosey). The handle should then pull straight off. Next, carefully pry or pull off the escutcheon plate itself. You may find some caulk around the edge; the video creator prefers to caulk for cleanliness, though some plumbers advise against it due to a weep hole. Carefully remove any existing caulk if necessary.

Goal: Access the valve cartridge within the wall.