If you want to try grabbing something lost on the bottom of a lake, pond, or river, a magnet on a rope might do the trick.
-You could use the rope connect the double sided fishing magnet to treasure hunting, salvaging underwater, magnet fishing in river
or lake, as well as seeking for something old and mysterious. Using the fishing magnets to find some missing metal parts at your
workshop or house yard. treasure fishing underwater and so on.