Maybe the way that I did our gauntlets will give you some ideas for yours.
I used six sets of magnets from Lowes big box store epoxied and reinforced with fiberglas (probably overkill) to aline,by offsetting with the seam, and hold top to bottom.
Another nice thing about the magnets is that their weight lowers the center of gravity on the top heavy gauntlets. Some soft hinges were used to help in suiting up and
just in case the gauntlets did open. Wrist straps (the red ones) really keep them upright and solid. They can't fall off even if they did come apart. Hope this helps some.
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