Bass Videos Review – Glass Guitar Picks Handmade by Rosemary Pierro Published 10 years ago on August 4, 2014 By Editor, Raul Amador This month we take a closer look at Borosilicate Glass Guitar picks, handmade by Rosemary Pierro on the island of Kaua’i, Hawaii. Related Topics:Glass Guitar PicksPick'sRosemary Pierro