Originally Posted by
RGAY
Here is a site with a picture of a clapper on Amazon. I have a big one and a smaller one. An appliqué instructor also said a small block of wood that is clean and well sanded works just as well, except you don't have the handy handle for applying pressure. They really do work - they absorb the heat from the fabric. It's like magic!
http://www.amazon.com/Golden-Hand-In...essing+clapper
That's the same one I've had since college. I took one sewing course (requirement for Home Ec Education/Foods) where we were taught to use the clapper to set the creases in pants during construction. It does make a wonderfully sharp crease.