CRKT K.I.S.S.

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The CRKT K.I.S.S. (Keep It Simple, Stupid) is a compact folding knife designed by Ed Halligan. This innovative knife features a sturdy frame lock for secure operation, ensuring safety during use. Its tanto blade offers a strong point for piercing and a flat edge for slicing, making it versatile for various tasks. With its simple yet effective design, this folding knife is an excellent choice for everyday carry and practical applications.
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Columbia River CRKT 5500 Ed Halligan K.I.S.S. Frame Lock Folding Knife 2.25" Bead Blast Plain T…Retail price: $49.99, our price: $33.99
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Columbia River CRKT Ed Halligan K.I.S.S. Frame Lock Folding Knife 2.25" Bead Blast Combo Tanto …Retail price: $49.99, our price: $33.99
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Columbia River CRKT 5500KN Ed Halligan K.I.S.S. Frame Lock Folding Knife 2.25" VG-10 Chisel Gro…Retail price: $44.99, our price: $34.99
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Common Questions About the CRKT K.I.S.S.

Designed by the late Ed Halligan, the CRKT K.I.S.S. series pioneered the minimalist folding knife by using a single-sided frame lock to reduce weight and complexity. This series is defined by its two-piece construction and chisel-ground blade, making it a compact choice for both everyday tasks and use as a money clip.

What is the design philosophy behind the CRKT K.I.S.S.?
The K.I.S.S. (Keep It Simple, Stupid) series focuses on mechanical efficiency by utilizing a minimalist two-piece design consisting only of a blade and a single-sided frame lock handle. By eliminating traditional liners and secondary handle scales, this Ed Halligan design provides a fully functional cutting tool with the fewest possible parts.
What steel is used in the CRKT K.I.S.S. series?
The CRKT K.I.S.S. series offers multiple steel options depending on the model, including reliable stainless steels and premium VG-10. These steels are selected to provide a balance of corrosion resistance and edge retention while maintaining the series' reputation for affordability.
Why does the K.I.S.S. use a chisel ground blade?
The CRKT K.I.S.S. features a chisel ground blade that is completely flat on the backside to allow the cutting edge to rest flush against the handle when closed. This unique grind ensures the blade is safely tucked away and won't snag on clothing, which is particularly important since the knife lacks a standard handle casing. Many variants utilize a tanto blade shape to provide additional strength at the tip for piercing tasks.
Can the CRKT K.I.S.S. be used as a money clip?
Yes, the integrated pocket clip on the CRKT K.I.S.S. series is specifically designed to double as a money clip for securing cash or cards. Its ultra-slim profile and lightweight construction make it an ideal choice for users who want to consolidate their daily carry tools and minimalist wallet into one item.
Is the CRKT K.I.S.S. safe to carry in a pocket?
The CRKT K.I.S.S. is designed for safe pocket carry despite its open-frame design because the chisel-ground edge sits tightly against the stainless steel handle frame when folded. This configuration prevents the sharpened edge from being exposed or snagging on pocket contents, though users should always ensure the blade is fully closed before stowing it.