New answers tagged freeweights
I did some Google searches, and I thought I might as well post what I found out as an answer. In addition to dumbbell magnets, there are also wrist weights and weighted gloves.
In addition to Plate-Mates, a length of heavy metal chain might be a good solution.
You can buy dumbbell magnets to attach to the head of the dumbbells. I've typically seen 1.25lb magnets, though I suppose you can probably find 2.5 lb magnets as well.
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