Kitchen knives are used every day. Most of the really useful kitchen knives are hidden in the people, and many people don't know. On the other hand, playing well-known advertisements may not be easy to use if it is loud.
Is it really worth selling a small kitchen knife for thousands of dollars? I wonder if the quality of synchronization is really good. China has been making knives for thousands of years, and there are many useful kitchen knives. For example, these traditional hand-forged old kitchen knives, Guo Fan cannonball steel kitchen knives, cost tens of dollars each, and are as durable as otaku. This old-fashioned kitchen knife has been used for many years before stainless steel was used in the world.