That said, Lubbert advises that smaller coils have their works by using, particularly in wooded regions, since it’s easier to get in between twigs, grass, and weeds with a more compact head. Much larger coils can theoretically detect objects which can be deeper underground, but they’re also more at risk https://social.art-inpa.com/blogs/430/Adventure-Awaits-with-Metal-and-Gold-Detectors