Love the historical research

I love doing historical research, but sometimes you run across the perfect picture that illustrates a point you thought was correct,  but then you can't use the picture, for obvious reasons...

Case in point: A good picture that shows the men's underwear actually does just untie on on one side and the other side is a loop.

Why am I hesitent to use this? Well its a biblical illustration that shows Abraham circumcising all the males in his household. And its a little on the squickish side, but I love the expression of the guy on the left,  makes me bust up laughing. 

Of course I'm not a guy, so this isn't funny for them.
The underwear in question is on the guy on the far right.

Medium size: http://www.bildindex.de/bilder/MI11299a12b.jpg
Large size: http://www.bildindex.de/bilder/MI11299a12a.jpg

So great image, but not safe for a kid friendly website.