In {HEAD ~ this particular embodiment}, the one way valve 240 is configured to open in response to the natural pressure that is created during {TAIL ~ male ejaculation} 
In { HEAD ~ this particular embodiment } , the one way valve 240 is configured to open in response to the natural pressure that is created during { TAIL ~ male ejaculation }
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL