I can't say I've ever seen an RFID tag sewn into clothes in either of those two shops - however I don't shop there too often. I've seen the tamper proof clips

I can't say I've ever seen an RFID tag sewn into clothes in either of those two shops - however I don't shop there too often. I've seen the tamper proof clips https://www.alibaba.com/product-detail/58khz-clothing-anti-theft-alarm-system_715991079.html https://www.alibaba.com/product-detail/58khz-clothing-anti-t... and the RFID in the tags https://www.alibaba.com/product-detail/EPC-Gen2-sewable-RFID-clothing-tag_60557905460.html https://www.alibaba.com/product-detail/EPC-Gen2-sewable-RFID...