Sunset One-Piece Ruby Style Chin Strap Large, Soft Neoprene, Latex-Free The Ruby-style adjustable chinstrap with extension strap is designed to stop the mouth from dropping open during sleep and may allow for the use of a nasal mask or nasal pillows. It passes over the top of the head and as well as around the back of the head. It includes an extension strap that can be used to extend the length of the straps to fit a wider variety of users. Adjustments to the position and fit of the chinstrap with extension strap can be made with 2 Velcro® closures, one at the top of the head and one at the back.
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