[a1o]

It's Uniqlo and it works because clothes have no metal or body of water or something else that could interfere with the RFID.

[Gigachad]

The items are also all high enough margin to cover the extra tag cost. Isn’t going to work for supermarkets.

[makeitdouble]

It's not just for payment though, it also helps for theft, and I suppose inventory management is improved on many aspects as well.

[hackan]

Yup, tagging and all the related costs are only reasonable for high-margin/relative high value products, not food