If the primary coupling disconnects under pressure, the compressed media violently pushes the hose ends away from each other.
Pull back the spring-loaded mechanism on the first loop to widen the entry diameter.
There are two primary categories of Whipchecks used in industry:
Manually compress the spring loops to ensure they snap back firmly and fluidly. Sluggish or jammed springs will fail to grip the hose during a blowout.