That's how I got the faded image you see behind my angel.
Just ink it, like you would a regular stamp. I actually slid mine across a large stamp pad, because I was using a good size piece.
If you were using a small section, you could just paste it to a board. I didn't. I was just careful to lay it down straight, before I stamped it on.
Here's another piece I used it on.
The Shabby Nest: Frugal Friday
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