As Gordon says, if Whip check hoses are to be used then you must have the check wires too
Going to confess here, never seen or used one.
Bob
got a smack in the mouth once of a 3/4 hose with a c coupling on the end that flew back and got meThe idea is that they are a weak link which is easy to replace when they go wrong. Lots of people use them as is but the correct way is with the check wire also.
Stops the hose flailing around if it goes
got annoyed was spitting bloodI bet that made you laugh Alan!!!