KHAKIBUM (also KHAKIFLASH, sometimes KHAKISHORTSMAN or just plain KHAKI) - A khaki-tinted perspective by gay, India-born, Khakistani, daddy codger in 70s, peeping out from under button-down flap of back pocket on army surplus khaki drill shorts, held up by original boy scout belt, which still fits - though with extra hole punched!
.........so they're checking out his story that he was "just bumming around". (Notice the guy on right has his own cock out, and it looks like soon it should be hard enough to use where his stick is probing.)
You can tell by the way he's holding onto those balls, which he won't let go until every last drop of cum has been seen right down his throat. This is the way to do it!