I can understand the soap bottle¹. A dedicated reusable glass container instead of a bunch of single-use plastic ones is less wasteful, and looks better, in my opinion. $14 ain't bad for that, price-wise, assuming they're good quality (which is a big "if", in fairness, but still).

$180 for a cheese knife, or $75 for a tuning fork and a crystal the sum of which costs half that on Amazon (let alone Alibaba), is on the other hand quite absurd.

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¹: Disclaimer: my employer sells (among many other things) glass bottles pretty similar to the ones on shop.konmari.com. something something these are my opinions something something not representative of my employer something something