second end is spaced upward from the first end application_number US 201113808102 A description fig1 shows a closure system 20 in an open condition the illustrated exemplary system 20 comprises a unitarily molded combination comprising a living hinge 22 coupling a first portion 24 to a second portion 26 the exemplary first portion is a fixed portion such as a mounting base the exemplary mounting base is internally threaded for screw on engagement to the mouth of a bottle or similar container body snap on mounting adhesive mounting solvent bond mounting thermal weld mounting are also possible the base has an aperture 30 through which product e g foodstuffs cosmetics and the like may be delivered in the open condition the exemplary aperture is a mouth at an upper portion 32 of a rebated sidewall 34 of the mounting base in an exemplary typical orientation of a bottle closure a central vertical axis 500 of the exemplary closure is defined as extending through the aperture the exemplary sidewall extends from a lower end rim 40 to an upper end rim 42 and has an exterior surface 44 and an interior surface 46 a lower portion 47 of the sidewall is separated from the upper portion 32 via a shoulder 48 along the interior surface the lower portion bears the internal thread 50 the exemplary second portion 26 is a cap having a.