Before you get up in arms over what this COULD be. What is this? Is it funny, gross or interesting? Or do you have a dirty mind?

Many of us have wondered what happens when you close the refrigerator, what the dog does when you aren't at home...and in this case, what it looks like someone plays a trombone...from inside the mouth piece.

David Findlayson set up a camera on the inside of his trombone, so you could see exactly what happens when he plays. This, however, isn't the first time that David has used camera in his music work. He made another video that could make you car sick, or at the very least in need of glasses from re-focusing.

So be honest, when you saw the picture, did you you have a dirty mind?

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