This is the jam you put on at parties and/or work as a test to find out who your real friends are. (It’s a trick. You have no real friends.) The Velvet Underground, leaning heavily on their underground-ness, used long violently loud jam sessions like this one to alienate as much of their audience as they could before getting booted out of whatever venue they were playing. It was certainly the first time in the realm of rock music that topics like mainlining drugs and sucking on a ding-dong were topics of conversation, at least in as blunt a manner. No euphemisms or clever entendres for Lou Reed, he calls it sucking dick for heroin in plain English. The Velvets did end up with the distinction that all of the fans they did acquire, all went on to become degenerate drug fiends and sex perverts in their own right. And so the moral corruption of social fibers, or whatever.