925, sterling silver, vintage, rolling bracelet. store , three bracelets in one, Mexico

This is a very unusual rolling bracelet which are three bracelets attached yet separate but roll into each other. May only be worn all together since they don't come apart. Inside is marked 925 hecho en Mexico MM34. Diameter store is 2 5/8th and 1/4 “ wide.. Heavy duty half round wire. Weighs 77 gms.Rare and bold. Made in Mexico