magnets realy do find ,alas salt water finds r caroded and always changing lukely in fresh water situations its a realy good indecator that there is more there! my dad found a flint lock pistol when i was a kid n its always stayed in my memeory so i got one a few years ago and started messing in wells n old pools to no avail. to much sedament , I flyfish so i noticed while i was fishing of modern rock points there might be something ,so gave it a try ,I pulled out an old sword rusted to f**k along wit bits n iron bobs,i still dont have any proper water gear so i just detected around the woods behind me and found some cool old stuff