US Patent 7258436 Personal vision field blocker

A blocking apparatus for positioning in front of a person's face, the apparatus in certain aspects having a front member disposable in front of a person's face, the front member having two spaced-apart ends, two tab members, each tab member projecting from one of the two spaced-apart ends of the front member, each tab member disposable at an angle to the front member and each tab member permanently attachable to another item or, in certain aspects, the front member releasably attachable to another item, and the front member sized and shaped for blocking, e.g. snow, rain, moisture and/or light on a portion of a person's face and/or eyes.