Was blasting some Phil Collins earlier thanks to AiA's thread, and I got to some songs from the Tarzan soundtrack (Son of Man and Strangers Like Me are fucking jams btw).
So here's Tarzan with his outfit:

That loincloth isn't going to cover shit when Tarzan is in motion. It's likely to fly upwards with any wind resistance, and it's definitely shifting side to side as dude is swinging through the trees.
Jane got a face full of dick in the first minute, if not sooner.