Abstract: An adjustable protective face covering having a first end having one or more openings spaced apart there along and a second opposing end having one or more openings spaced apart there along. A length extends therebetween for covering a mouth and nose of a wearer, and the face covering is a single use face covering that is a constructed from a unitary sheet comprised of surgical wrap, polypropylene, Spunbond Meltblown Spunbond (SMS), or cotton. The single component mask can be cut from sheets of substrate using various techniques including laser cutting, die cutting, or other machinery typically of use in clothing manufacture.

Abstract: Techniques for a snap receiver are provided. In an example, a snap receiver can include a snap receiver base, and a lock ring. The snap receiver base can include a first opening in a first major surface, the first opening configured to first receive a snap post, and a plurality of lock legs extending from a second major surface. The lock ring can include a plurality of irregular slots, configured to secure the snap receiver to a fabric. A distal end of each lock leg can be configured to pass through the fabric and through a first end of a respective slot of the plurality of irregular slots. A first rotation of the lock ring with respect to the snap receiver base can lock a distal end of each of the lock legs within a second end of the respective slot of the plurality of irregular slots.

Abstract: Techniques for a snap receiver are provided. In an example, a snap receiver can include a snap receiver base, and a lock ring. The snap receiver base can include a first opening in a first major surface, the first opening configured to first receive a snap post, and a plurality of lock legs extending from a second major surface. The lock ring can include a plurality of irregular slots, configured to secure the snap receiver to a fabric. A distal end of each lock leg can be configured to pass through the fabric and through a first end of a respective slot of the plurality of irregular slots. A first rotation of the lock ring with respect to the snap receiver base can lock a distal end of each of the lock legs within a second end of the respective slot of the plurality of irregular slots.

Abstract: The crown suspension consists of upper and lower dome-shaped elements each having a central portion and radially extending legs. The legs of the upper element are connected to the shell and means is provided for adjusting the position of the legs of the lower element relative to the upper element legs to enable the lower element to be fitted to various sized heads.