Use "two-by-four" in a sentence

1. And that's a two-by-four.

2. This is a bathtub I made, made out of scrap two- by- four.

3. So, either you hit yourself with a two-by-four, or Elsie has a peg leg.

4. The thematic approach to Tough Baritones is about as subtle as a two-by-four upside the head, and listeners are better off for it