In metal detecting a number of finds directly depends on the time you can spend on search. But there exist enemies that are encroaching upon this time. See one photo, he who is familiar with metal detecting will understand everything.
Each of these finds doesn’t only encroach on your digging-it-up time. If you try to ignore them completely, a really valuable find can hide behind them. For example, gold is determined on the border with rusty iron.
