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A diving knife isn’t a weapon, but a vital tool for emergency situations. When entangled in nets, ropes, or kelp, a quality knife can mean the difference between safe return to surface and serious problems.
The blade must be stainless steel that resists saltwater corrosion. Cheap knives quickly rust and dull, which is useless in critical moments. Quality blades maintain sharpness even after years of use and easily cut various materials – from thin ropes to strong nets.
Handle ergonomics is crucial – with gloves you must grip the knife firmly and manipulate it safely. Non-slip surface and proper shape prevent slipping. The sheath must hold the knife securely while allowing quick one-handed draw.
Choose size based on diving type. Small knives suffice for most situations without hindering swimming. Larger cutters are useful for work or wreck exploration. Some models combine knives with additional tools like saws or screwdrivers.
The right knife is insurance you hope you’ll never need, but you’ll be glad to have.
