Many times as we work with metal hammering, texturing, or bending it, it becomes work-hardened. Some metal is sold in this hardened state. Too much work-hardening can make the metal crack! Texturing the metal can not only make it hardened but miss-shaped. It must be annealed or softened making it bendable.
Additionally, place the wire into the very point of the “V” shape in the bench pin with the end pointing upward. This holds the wire so it can be filed flat.
If you’d like to saw the wire instead of cutting it with pliers, make a channel across the top of the bench pin using a wood saw.
Now place the wire into the channel hanging it out the distance needed and saw it off against the side of the bench pin. Additionally, if cutting the same length wire (less than the width of the bench pin), mark the distance from the edge of the bench pin to the length of the wire on top of the bench pin. After cutting the wire, slide the next length out to the correct distance and then cut it.