Tandy claims copper rivets are the strongest rivet known to man. Seems dubious to me. But maybe they hold better than rapid rivets.
Rivets vs. Stitches for corners, load-bearing applications, etc
Setting Copper Rivets Tool Comparison : r/Leathercraft
WUTA 50/100 Set Solid Brass Rivets With Burrs,Copper Rivets Studs Permanent Tack Fasteners Leather Craft,Belts,Halters,Bridle
Types of Rivets: Working Process, Uses, and Materials - WayKen
* These are copper (not copper plated base metal) solid rivets. * Copper rivets and fasteners are often utilized in manufacturing applications due
Uxcell 3/32'' x15/32'' Round Head Solid Rivets Fasteners Copper 100Pcs
How To Rivet Leather - Leathersmith Designs Inc.
High Quality Copper Rivets & Burrs Rivets 9mm/12mm Leather DIY
Are Copper Rivets Really Stronger? - How Do I Do That
Choosing rivets and Chicago screws for leathercrafting
Condition - New Craft - Leathercraft
Tandy Leather 1/2 Copper Rivets and Burrs Size #9 50 Pack 11280-00
Solutions for Small Rivets
WUTA 50/100 Set Solid Brass Rivets With Burrs,Copper Rivets Studs Permanent Tack Fasteners Leather Craft,Belts,Halters,Bridle
Rivets on jeans could be a thing of the past
COPPER RIVET (HOW TO) - How to set a copper rivet in leather