Glass adapters for bongs, bowls, and rigs are simply glass attachments that serve a few important smoking purposes. An adapter solves any joint gender mismatch, letting you make use of joint gender accessory mismatches.
For example, if you have an ashcatcher that is a male joint, and your favorite bong is a male joint, you can’t use it. Unless you have a glass adapter handy. The glass adapter will make the male joint female for the perfect fit.
You can also use glass adapters for bongs, bowls, and dab rigs to match up, joint size. For instance, if your favorite water pipe is 10mm, but you have a smoking accessory joint size of 14mm, a glass adapter can make size match up. Glass adapters and converters are a must-have smoking accessory.