Black Diamond is a company that makes climbing gear. Their equipment is of very high quality. They continue to introduce innovative designs. I personally am very fond of the carabiners they make and their belaying devices.

They also make climbing harnesses. In the Sylvester Stallone film "CliffHanger" the opening scene depicts a woman's harness breaking. The metal buckle tears open. As I watched this scene in the cinema I recall the Black Diamond label clearly visible on the buckle. I though "now that is ridiculous". I believe that Black Diamond sued and won damages.

The rest of the film was much more plausible, comparatively.