Just, by accident, drop a 45 or a couple of lighter 10lb plates around your area. The noise along tends to scare the weak hearted away.
That's because they're afraid one may land on them!
I remember seeing chest expanders as a young kid in the early 80's.
Those and the bars with similar looking coils in the center; I forget their name, but you would hold the ends and bend it in the same manner as breaking a stick.
And, of course, who could forget these:
You also mentioned tiger presses.
Are those the same things as what some folks call tiger dips?