Its years since I have used one of these but it gives a great finish to what ever you whack with it.
Clapper, Home made the holes are where I use a hole punch one time not part of the clapper,
It would help to have a picture or a link. Can't really tell what you are talking about.
OH , ok, here is picture of mine and also one u can buy. They make your seams look beautiful and lay so nice and flat.
Wow i might ask someone to make me one can u please tell me the size of it Jenne?