Apologies for going off-topic, but the idea of bringing small bits of cut glass, some of which may have a metallic coating applied, into close proximity to a baby's mouth startles and appalls me. Do these things not represent a choking hazard, if not a potential poison? At least one vendor of these crystals says that none of their products is intended for use by anyone under age 14. I would appreciate some insight into how you might handle these issues.

Thanks,
Peter