Tandy claims copper rivets are the strongest rivet known to man. Seems dubious to me. But maybe they hold better than rapid rivets.
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Buy WUTA 50/100 Set Solid Brass Leather Rivets With Burrs, Copper Rivet Studs Permanent Tack Fasteners Craft, Belts, Halters, Bridle at Aliexpress for
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Copper Pop Rivets with a Copper Plated Steel Mandrel Grip Range: 0.188 - 0.250 Commonly used in Roofing, Siding & Flashing Applications Used both
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