Answers to the questions that hit Kenji’s inbox every week. Each answer links to the full guide so you can dive deeper when you have a spare ten minutes between clients.
Cross-check serial numbers, warranty cards, and origin markings against the authenticity checklist. Genuine brands supply matching documentation and engraved serials—no stickers, no vague “Japan steel” claims.
Stick with Mina or Ichiro value sets. They ship direct from Japan and give you real 440C or VG-10 steel while you build maintenance habits. Jump into the value tier roadmap for specifics.
It depends on steel and workload. 440C runs 4–6 months, VG-10 6–9, premium cobalt 9–12. Log every service and follow the sharpening cadence chart.
Yes—one drop, open-close ten times, blot the excess. The daily care reference outlines the full five-minute ritual.
Move to offset or crane handles and ensure the pivot is tuned—tight pivots torch thumbs. Revisit the ergonomic foundations checklist.
Use a convex shear exclusively for slide work and keep a beveled workhorse for blunt lines. The advanced cutting guide shows the drills.
Drop me a line with your current kit, pain points, and deadlines. I’ll point you at the exact dossier or maintenance plan you need.