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Magnets are fun but I'm not sure I see them being used to hold bean bags to your belt. I am an engineer and worked with magnets. We built equipment that would separate material. These products were used for things such as recycling to making sure there was no steel in the raw materials for plastic injection molding. Rare earth magnets are not that expensive. They are terribly strong though and if the magnet has any size it can be quite dangerous. I worked with magnet assemblies that could pick up a railroad spike from 2 feet away. I knew of guys getting their hands stuck between a magnet and something else and had to be pryed free with a crowbar. I have magnets at home that will attract themselves to each other through your arm. Strong magnets are not something to play around with.
One thing in their favor is that magnets will not damage a digital watch. The LCD may have a distortion in the color but the watch will continue to work. A watch with hands will be destroyed in a few minutes around strong magnets because the magnet stops the workings and the motor burns out.
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