  the hackle is a clipped feather plume that is attached to a military headdress. in the british army and the armies of some commonwealth countries the hackle is worn by some infantry regiments, especially those designated as fusilier regiments and those with scottish and northern irish origins. the colour of the hackle varies from regiment to regiment. the hackle should not be confused with the much longer set of feathers commonly attached to the feather bonnet worn by highland regiments (now usually only worn by drummers, pipers and bandsmen). ==british army==  ==hackle colours in british fusilier regiments== thumbnail|right|soldiers of the royal regiment of fusiliers. ===modern fusiliers=== in the modern british army, there is a single regiment of fusiliers, plus a battalion of a large regiment. hackle colours are: *royal regiment of fusiliers: red over white *royal highland fusiliers (a battalion of the royal regiment of scotland): white other ranks of the royal welsh; the regiment that was formed by the amalgamation of the royal welch fusiliers and royal regiment of wales, continue to wear the white hackle of the rwf. thumbnail|a fusilier of the royal welsh ===historic fusilier regiments=== there were several other fusilier regiments which have been amalgamated and no longer exist. the hackle colours worn were as follows: *lancashire fusiliers: primrose yellow *royal fusiliers (city of london regiment): white *royal inniskilling fusiliers: grey *royal irish fusiliers: green *royal northumberland fusiliers: red over white *royal scots fusiliers: white *royal warwickshire fusiliers: blue over gold *royal welch fusiliers: white ==non-fusilier regiments== thumbnail|soldiers of the royal irish regiment non-fusilier regiments which wear the hackle are: *irish guards (pipers on caubeen only): st patrick's blue *liverpool scottish (now a platoon of a (king's) company, king's and cheshire regiment): royal blue *liverpool irish (now a troop of 208 battery, 103rd regiment royal artillery): blue over red *london irish rifles (now d (london irish rifles) company, london regiment): green [pipers wear st patrick's blue] *royal irish regiment (as the direct descen
Headgear Military_uniforms