Bump outs:
They appear to be additional functions, but I don't know to what purpose..? One has a concave face, as if it is meant to cup something. It is hard to see in the picture, but it is actually dished inwards about 1/8 of an inch:

Opposite of that, the other bump has a narrow slit through it, and a cross pin:

When the tool is opened and closed, the two bumps get closer together and farther apart (obviously). But I'm still baffled as to what their purpose is.
