What happens next?

The credits of the clips are shown. The hand drills a hole with an electric tool. the hand

Pick your answer from:
(1). demonstrates how to install install shimmers in nuts on a z-com bar with a casters and adjustable equipment..
(2). screws two nail into holes with an electric tool..
(3). sprays the hole..
(4). hits the drill against the wall..
(2).