Objects I Have Been Hit In the Head With: A Door

Welcome back for Part 2 of a four-part series on (as the title suggests) "Objects I Have Been Hit In the Head With." This next object made contact with my head a year and a half after the previous one (a vintage 1970s stacked heel boot). And believe you me, this next object was a good deal heavier and a lot scarier than being clobbered ...