A grip and fitting assembly for coupling an air hose to a gladhand coupler. The grip is flexible and tapered with a tubular interior through which may pass a length of hose shielded and protected by the grip. The grip is affixed to a fitting attachable to the gladhand coupler on a first threaded end thereof and attachable to the air hose on a second barbed end thereof. The grip is configured with one or more internal keyway boss which aligns and interlocks with one or more corresponding keyway recess on a retaining shoulder formed between the ends of the fitting.