Frottage means rubbing - like making a rubbing of a penny or bulletin board or leaves.
We had to collect rubbings of at least three items and then use them for inspiriation in our Zentangle - which is a fancy way of saying a doodle.
We watched this video in class
|You can kind of see my frottage, it didn't scan well,|
And, because, I was feeling silly
Here is my Zentangle made Sepia: