Upsetting in so many ways

The video below I discovered searching on "deleuze" over at youtube.

It's not for the squeamish, as it depicts the construction of an art piece (insert negative value judgement) that involves "needle play" as they appear to call it in S&M/B&D (BS is what I call it) circles.

It reminds me of a joke my dad used to tell me when I was a kid about a man who, when asked why he was hitting himself with a hammer, stopped, breathed a sigh of relief, and then replied, "because it feels so good when I stop."

I'm no world-class expert on Gilles Deleuze, but I don't feel this has much to do with his work.