Like many of my sites it has gotten to the place where I'm digging VERY iffy and maybe signals and about half my holes end up being iron because of this. I was told by one guy that I'm doing it wrong if half my holes are iron. I'm not sure he understands what it means to hammer a site to death and only have iffy signals to dig but it seems like he doesn't. What I mean by iffy is not like when the ID says foil and it could be a nickel OR the ID gives a number for a pull tab and it could be gold. What I mean by iffy is there is a 95% chance or greater the target is iron but a small % chance it's not so I dig it. The washers, square nails, bent nails, iron rings, iron hardware are in my trash bag if anybody wants to see them. A few were not iron so it pays off when there is nothing else to dig but these. Here's what I got: