Interesting animation technique!

We watched this episode from Gary and Mike in animation class, which had an interesting bit of animation:

It wont let me imbed this spliced clip! Click here i guess

The weird effect is made by big long tubes of clay which are cut at about every eighth of an inch. So every inch is about one second (Feel free to check my math; i didn't)

If you watch the first part with the father pointing with the american flag in the background, you can see the clay behind it advancing each frame.

Pretty neat!