With a sharp knife, make 4 slits in center of top to allow steam to escape.

Hold the tool against the wall and move it over a small area to allow steam to penetrate the paper.

Cut 4 small slits in top of dough to allow steam to escape.

Using a sharp knife, pierce the finished ring in several places along the side to allow steam to escape.

The slots allow steam to pass through so that food slides onto it easily.

Cut a few decorative slits in the top to allow steam to escape.

The band is screwed loosely over the lid, which will allow air and steam to escape.

This greatly increased the surface area for heat transfer, allowing steam to be produced at a much higher rate.

Cut a small X in middle of each pie top and pull open to allow steam to escape.

This allowed the water and steam to escape shutting down the mill machinery.