sentences:  Examples include the Black Watch (red Hackle) and the Seaforth Highlanders, Gordon Highlanders, Queen's Own Cameron Highlanders and Argyll and Sutherland Highlanders (all with white hackles).Despite its elaborate appearance, the feather bonnet is a highly practical piece of military gear, as it is lightweight and the internal cage offers protection from blows.William Gordon-Alexander, an officer of the Sutherland Highlanders who served in India in the 1850s, after describing how a tulwar-cut to the head of a fellow officer had been averted by the wire frame of his feather bonnet, said