이 름 전자우편 홈페이지 제목 비밀번호 (최소 4자이상의 영문 또는 숫자) to measure our neck and if it measured more than 20″, a slightly relaxed measure, the length of the pieces should be lengthened. Are we to shorten the pieces if our neck measures less than 20″? Mine is about 15 1/2 inches.