A rope structure comprising a plurality of fibers combined to form a plurality of yarns which are in turn combined to form a plurality of strands. The method may be used with floor-mount or wall-mount type CD-jukeboxes. The butter used for simmering the cannabis leaves may be cow butter, sheep butter, olive oil, cooking oil, and other compositions. An additive delivery system introduces chemical additives to the supercritical cleaning solution via the solvent delivery mechanism, the process vessel, or the recirculation system.