@hotdogsladies oh, I know exactly what this is! that one mechanical engineering class I took in college really paying dividends on social media. here's the deal:

what we're looking at is a field of half-seized sprats, and brass-fitted nickel slits, the bracketed caps and splay-flexed brace columns vent dampers to dampening hatch depth of 1/2 meter from the damper crown to the spurv plinth