The most impressive member of the Twisty™ family, Twisty™ Glass XL. With 8 chambers that hold up to 4 grams, you can smoke out all your friends with one fill. The most impressive member of the Twisty™ family, Twisty™ Glass XL. With 8 chambers that hold up to 4 grams, you can smoke out all your friends with one fill.