ok gents inside the reg where the threads are to screw it into the bottle is a little gold thing(use that term as name unkown) and i filled it yesterday and it popped out and was ratling in my bottle, took it off put it back in and it happened again today, only does it wen it fills fast, answer could be dont fill it fast but when its in the hands of someone else, ya know. so how can i keep it where it is or can i take it out and it will be ok dont seem to serve much of a purpose as it is? correct me if im wrong and all help is good.