edges from cutting into the paper. the loops also serve to hold two pieces of stiff wire, which are used as handles and allow the clip to be opened. the two slots cut in each loop are shaped so that the wire handles can be folded down once the clip has been attached, and the spring force of the wire holds them down on the surface of the paper. this holds the clip relatively flat, for easier stacking of paper. one handle can also be folded down while the other remains up to allow the stack of papers to be hung up. the handles can also be removed altogether by 