Kief (from colloquial Arabic: كيف 2=kēf/kīf pron, `pleasure`), sometimes transliterated as keef or kif, refers to the resin glands (or trichomes) of cannabis that may accumulate in containers or be sifted from loose dry cannabis flower with a mesh screen or sieve. Kief contains a much higher concentration of psychoactive cannabinoids, such .....