A question for all

[jokoboko]

Has anyone worked with this technique? - MWF Gold Line

Is this a real detection technique?
https://mwf-metaldetectors.com/en/product/gold-line/

[edwgold]

jokoboko,

A serious company that invests time and money in producing an innovative product has to end with a patent. If there is no patent, there is no invention.