Guest guest Posted July 7, 2003 Report Share Posted July 7, 2003 Caroline, A passive helmet sits on the baby's head and eventually the head grows into the shape of the helmet, round. Active bands redirect the growth of the head through gentle pressure not felt by the baby. \ > Can you describe what a passive helmet is? I've never heard these terms > before > Caroline Quote Link to comment Share on other sites More sharing options...
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