The term bellows is used by extension for a flexible bag whose volume can be changed by compression or expansion, but not used to deliver air. For example, the light-tight (but not airtight) bag allowing the distance between the lens and film of a folding photographic camera to be varied is called a bellows.
What NFL has lost the Super Bowl the most? The Buffalo Bills, the Denver Broncos, the Minnesota Vikings, and the New England Patriots have all lost four Super Bowls. Edit
Answers. 1  The Cleveland Browns, Detroit Lions, Houston Texans, and Jacksonville Jaguars have never played in a Super Bowl. The Browns haven't made it to an AFC championship game since the 1989 season (and yes, officially the current Browns franchise is the one and only Browns NFL franchise).