Cranial Technologies is dedicated to providing the bestfor babies with plagiocephaly and flat head syndrome. Schedule a free evaluation today to see.My Twins and Their Plagiocephaly Helmet Story. This story was shared by a mother of beautiful twin girls and details their experience with plagiocephaly, torticollis .What is a corrective helmet? A corrective helmet is a type of orthosis medical device . It is custom made to treat plagiocephaly in children with moderate to severe .Learn about plagiocephaly and its care from Boston Children's Hospital..