Uniforms of the Royal Marines musicians, plus cadets and instructors of the affiliated cadet organisations. This is the same as 1B dress but is worn with medal ribbons instead of medals and decorations. This consists of a scarlet mess jacket with a royal blue shawl collar, worn with royal blue trousers with a scarlet stripe, Marcella shirt and royal blue mess waistcoat. Officers above the rank of brigadier have their rank on shoulder straps, whilst all other officers have their rank marking positioned horizontally on the lapels of the collar. Officers of the rank of lieutenant-colonel wear stiff-fronted shirts and overalls (tight fitting cavalry trousers),
Shoulder strap rubber), used to suspend an item, often of some weight, from the shoulder(s). The strap may be worn slung over one shoulder or across the body. In the interest of comfort, they often have some manner of padding near the middle, where the strap rests directly against the shoulder or neck. Such items include purses, guitars, rifles, etc. In the case of rifles and other such weaponry, the shoulder strap is usually referred to as a "sling". Shoulder straps may also be used in pairs on such items as a backpack or a baby carrier; the straps are worn one