What is the primary function of a dive knife?

The primary function of a dive knife is to serve as a valuable tool for various underwater tasks. This includes cutting lines (such as entanglements with fishing nets), digging, prying, and in some cases, even pounding. The knife can be a critical piece of safety equipment, enabling divers to quickly extricate themselves from potential hazards, such as entrapment in underwater vegetation or equipment. Its versatility makes it an essential accessory for divers, ensuring that they are prepared for unexpected situations during their dives.

Decorating equipment, serving as a communication tool, or assisting in buoyancy control are not primary functions of a dive knife. While a dive knife can be part of a diver's overall gear aesthetic, that is not its intended use. Communication tools and buoyancy control devices have specific roles in diving that do not align with the primary operational functions of a dive knife.