Uniforms of the Royal Air Force featured a high waisted single-breasted blue-grey jacket which tapered to a point at the front below the waist. A blue-grey waistcoat, trousers and black shoes were also worn. Rank was indicated on shoulder boards in gold lace. This uniform was modified in 1928 when the shoes were replaced by boots and overalls with gold lace and bright blue stripes were introduced. This modified form of the uniform lasted until 1934 when it was replaced by a version similar to the current men's mess dress. The wearing of mess dress was suspended during World War II. For women, mess dress currently
Grady straps two straps for the chest in a diagonal pattern with an additional strap below the knees. Spider straps are a commercial alternative that uses a single Velcro system with ten points of attachment. Grady straps are a specific configuration forming a criss-cross “X” across the chest and a “V” across the pelvis in a harness-type fashion using only two long straps. This technique is highly effective for stabilizing both the upper torso (shoulders and chest) and the lower torso (pelvis). Grady straps protect against movement in all directions: up, down, left, and right, and prohibit the patient from sliding on