Hapstone RS Knife Sharpener by Anton Kulizhko — Kickstarter

Shop Hapstone RS Knife Sharpener Starter Kit

Shop Hapstone RS Knife Sharpener Starter Kit

Hapstone M2 Knife Sharpener by Anton Kulizhko — Kickstarter

Shop Hapstone RS Knife Sharpener Starter Kit

Hapstone RS Knife Sharpener by Anton Kulizhko — Kickstarter

Shop Hapstone RS Knife Sharpener Starter Kit

Shop Hapstone RS Knife Sharpener Starter Kit

Shop Hapstone RS Knife Sharpener Starter Kit

Hapstone RS Knife Sharpener by Anton Kulizhko — Kickstarter

Shot-through playing cards, 3D-printable miniature files, a disc clock, and more: Top 5 most successful Ukrainian projects on Kickstarter

Professional knife sharpeners by Hapstone