Bulldog clip
Videos
A bulldog clip is a device for temporarily but firmly binding sheets of paper together. It consists of a rectangular sheet of springy steel curved into a cylinder, with two flat steel strips inserted
A bulldog clip
Another picture of a bulldog clip
Binder clip
Videos
A binder clip is a simple device for binding sheets of paper together. It leaves the paper intact and can be removed quickly and easily, unlike the staple.
Binder clip
The handles can be folded down once the clip has been attached, and may be removed for a semi-permanent binding.
An assortment of binder clips, with an AA battery for scale
Clip with golden loops