Sometimes milk was employed to produce a luster effect on the glass. They at some point were being known as Kakamba Prosser beads, named following the town while in the Republic of Congo where they had been traded. Prosser beads started to slide out of favor within the early 1900’s https://dangle-earrings52851.blazingblog.com/31454020/helping-the-others-realize-the-advantages-of-beaded-bracelets