A slip joint knife is a type of folding knife characterized by a simple yet effective mechanism that allows the blade to stay open or closed without locking into place. Most traditional Laguiole pocket knives use a slip join system. 

Key Features of a Slip Joint Knife:

• Non-locking Mechanism: Unlike locking knives, slip joint knives rely on friction and a spring mechanism to hold the blade open or closed. This makes them easier to open and close with minimal effort.
• Versatility: These knives are popular for everyday carry (EDC) due to their ease of use and compact design. They can be used for a variety of tasks, from opening packages to light food preparation.
• Safety: While they don't lock, the slip joint mechanism provides enough resistance to prevent accidental closure during light use. However, it's essential to handle them with care to avoid mishaps.

Typical Uses:

• Everyday Tasks: Ideal for small cutting tasks such as opening letters, cutting strings, or carving wood.
• Outdoor Activities: Handy for camping, fishing, or hiking where a simple and reliable knife is needed.
• Collectibles: Many knife enthusiasts appreciate slip joint knives for their traditional designs and craftsmanship.

Popular Slip Joint Knife Brands:

• Victorinox: Renowned for their Swiss Army Knives, which often feature slip joint mechanisms.
• Case Knives: Known for their high-quality, American-made slip joint knives.
• Laguiole Knives: Famous for their elegant yet effective pocket knives.

Slip joint knives combine practicality, simplicity, and tradition. Whether you're a seasoned knife enthusiast or someone looking for a reliable everyday tool, a slip joint knife offers a versatility.