Dear Anon, 1. To be completely candid, such items do not possess any "magical" attributes. 2. In recent years, a significant number of these products have become purely commercial ventures... Somehow, many individuals appear to be swayed by marketing tactics into purchasing these items. 3. To be truthful, these commercial goods are prevalent because they can be produced inexpensively and sold at a high price. Furthermore, many of these items do not guarantee wealth for their owner