Bricks are formed by pressing finely sifted resin glands (trichomes) tightly into a rectangular shape. This compression helps remove excess moisture and binds the trichomes together, resulting in a solid and dense block of concentrated material. How to Smoke it: Users typically break off small pieces and either crumble it into a joint or pipe, take a chunk and shove it in a pipe, mix it with cannabis flower or tobacco, or vaporize it.