I don't use McCuff.
I don't think I'd like it as I like to fill my tank all the way.
I've don't see an advantage to owning one.
I always watch the gas as it goes into the tank.
People say I'm stupid and apathetic. I don't know what that means, and I don't care.
Always wear a helmet, eye protection, and protective clothing. Never ride under the influence of drugs or alcohol.