Furthermore, the skirt valve can have a thicker first portion that is coupled to a stem or post of the cartridge, and a thinner second portion that allows for {HEAD ~ greater flexibility} of {TAIL ~ the valve} 
Furthermore , the skirt valve can have a thicker first portion that is coupled to a stem or post of the cartridge , and a thinner second portion that allows for { HEAD ~ greater flexibility } of { TAIL ~ the valve }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL