Elastic webbing is a type of material used in many different applications. It is made from woven elastic fibers and is often used to make straps, belts, and other items that require flexibility and strength. The term 'SHIRR' is a 5-letter word used to describe the process of gathering fabric or elastic webbing together to create a tighter fit. This process is often used to create a more secure fit for items such as belts, straps, and other items that require a snug fit.