Patent ID: 9241517
Filing Date: 2016-01-26
CPC Classification: A41D,A42B,A61F,H04R,Y10S,Y10T

Claim Text:
1. An apparatus, comprising: an outer membrane including a first ear portion and a second ear portion, a first piece of elastic material coupled to a first end portion of the outer membrane, the first end portion of the outer membrane including a portion of a perimeter of the first ear portion of the outer membrane and excluding a center of the first ear portion of the outer membrane, the first piece of elastic material having a length and a width shorter than the length, the first piece of elastic material not directly coupled to the center of the first ear portion of the outer membrane; a second piece of elastic material coupled to a second end portion of the outer membrane; an inner membrane including a first ear portion and a second ear portion, the inner membrane coupled to the outer membrane; a third piece of elastic material coupled to a first end portion of the inner membrane; and a fourth piece of elastic material coupled to a second end portion of the inner membrane.