Abstract: A system for molding includes: right and left upper mold portions; and a lower mold portion, such that the right and left upper mold portions are positionable side by side and the lower mold portion is positionable between lower ends of the right and left upper mold portions to form an entire molding cavity for blow molding a connectable beverage bottle, such that the lower mold portion is vertically downward removable and the right and left upper mold portions are laterally removable after blow molding of the connectable beverage bottle. Also disclosed is a method of molding, including: preparing blow pin, assembling mold components, performing blow molding, removing blow pin, disassembling mold components, and extracting the connectable beverage bottle.