Prototyping serves to provide specifications for a real, working system rather than a theoretical one. In some workflow models, creating a prototype (a process sometimes called materialization) is the step between the formalization and the evaluation of an idea. A User Experience Prototype captures enough aspects of the intended design that it can support user research. 2  A Visual Prototype captures the size and appearance, but not the functionality, of the intended design.
In the mid-1930s, the last main improvement to the leather football helmet was introduced: The facemask. Vern McMillan, who owned a sporting goods store in Terre Haute, Indiana, was credited with inventing the first facemask design.
(August 2008). Protective equipment in gridiron football (football gear) consists of equipment worn by football players for the protection of the body during the course of a football game. Basic equipment is worn by some football players including helmet, shoulder pads, gloves, shoes, and thigh and knee pads.August 2008). Protective equipment in gridiron football (football gear) consists of equipment worn by football players for the protection of the body during the course of a football game. Basic equipment is worn by some football players including helmet, shoulder pads, gloves, shoes, and thigh and knee pads.