thin (classifier g)

Note: The handshape for this sign is a "G." The "G" handshape is often used as a classifier to represent things that are thin.

The general sign for thin:

Side view:

You can also use the "g" handshape as a classifier to specify the size and shape of things.

For example, you could use the following sign to show the thinness of a picture frame, a book, a piece of wood, etc.