Visit Japanese kitchen knives store, and rely on the guide in terms of providing candid and neutral feedback when listening to sales pitch.
You'll visit Kappabashi Street adjacent to Asakusa, a shopping street lined with dozens of stores selling everything needed for restaurant operators. The street has several stores specialized in kitchen knives, since they have a full lineup of the products, you will have the best chance to find some which you are genuinely looking for.
For groups of three or more, you'll use an earphone guide system, which enables you to clearly listen to the guide from a distance.
