"The most carried EDC is also, statistically, the most neglected one. Pocket knives get used daily and sharpened almost never, because the sharpening step requires a separate tool that most people don't carry. Bench stones are too large. Pocket rods are awkward. Folding sharpeners add bulk and usually deliver mediocre results on any blade worth maintaining. The gap between "I should sharpen this" and "I have what I need to sharpen this, right now" stays wide for most knife carriers, and a dull edge is the tax they pay for it."
"SHARPAL's answer to that gap is the 113N, a sharpening stone built to credit-card dimensions so it lives wherever your cards live. The stainless steel base measures 3.5 by 2.12 inches and runs just 0.13 inches thick, making it genuinely wallet-compatible rather than merely wallet-adjacent. Industrial monocrystalline diamond abrasive is electroplated across the working face at 325 grit, a coarse cut that restores real edges rather than just polishing ones that don't need it. A folding ring grip on the back keeps your fingers clear, and a mirror-polished reverse doubles as a signal reflector when the situation calls for it."
"Using the 113N in the field is a straightforwardly satisfying experience. The ring grip deploys with a simple fold, slipping over your middle finger and holding the card firmly against your palm while you work the blade across the surface. The contact feels authoritative in a way that smaller pocket sharpeners simply cannot replicate, because the working surface is large enough to take full strokes on a 3 or 4 inch blade without having to reposition mid-pass. The dry sharpening design means no oil, no mess, no preparation ritual, which matters enormously when you're using it at a campsite, on a trail, or standing over a cutting board somewhere inconvenient."
"Steel swarf wipes off with a cloth, and the surface stays flat because there's no hollow ceramic or soft bonded matrix to wear un"
Pocket knives are the most carried everyday carry item but are statistically the most neglected because sharpening requires a separate tool that most people do not carry. Bench stones are too large, pocket rods are awkward, and folding sharpeners add bulk while often producing mediocre results. The delay between wanting to sharpen and having the right tool immediately leads many knife carriers to accept dull edges. SHARPAL’s 113N is a sharpening stone sized like a credit card so it stays with your cards. It uses a stainless steel base with a 325-grit electroplated monocrystalline diamond abrasive for real edge restoration. A folding ring grip holds the card securely, and dry sharpening avoids oil and mess while keeping the surface flat and easy to wipe clean.
Read at Yanko Design - Modern Industrial Design News
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