With a latex glove fitted on one hand, place the palm over the tap head then press down hard with both hands and turn anti clockwise. If this doe`s not work try levering the dome of with a dinner knife.
I've tried reasonable force with no luck. If the grippy bit turns too I can progress to destructive force. Otherwise I'm going to drill a couple of holes in the cap to get a purchase on it.
So does anyone know with a reasonable degree of certainty that it's just the smooth domed cap that comes off?
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