Sharper Harper is a mobile knife-sharpening service operated by Harper Keehn, serving the Northeast, including Rhode Island and Connecticut. Harper sharpens kitchen knives (including ceramic, serrated and Japanese styles), scissors, garden tools, and salon beauty shears on professional equipment like a Tormek T8 grinder.
Harper Keehn is a mobile knife sharpener who has been working in the Northeast for over a decade. In that time she’s sharpened over 60,000 knives, scissors, and garden tools. She sharpen all types of knives, including serrated and low-angle or asymmetrical Japanese knives. She also sharpens beauty shears for salons and home stylists, and teaches a garden tool maintenance and sharpening class in the spring and fall. More details on her website.
How does it work?
Customers drop off their knives, do their shopping, and pick up on the way out. Double check wait times.
How much does sharpening cost? (2026 pricing)
Sharpening for most items is $1.50/ inch sharpened. This includes most kitchen knives and scissors. A paring knife usually costs between $4 and $6, and a chef’s knife is between $8 and $12.
“Specialty” sharpening costs $2/ inch. This includes low-angle (under 15 degrees per side), asymmetrical, serrated, and pocketknives, as well as cleavers and low-angle fabric shears.
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