Ghillie Dhu the Ghillie Dhu was a gentle and kind-hearted mountain spirit, or a "rather unusual nature fairy." The Ghillie Dhu was an individual male modern day fairy described by Osgood Mackenzie, a Scottish landowner and horticulturist, in his memoirs that were published in 1921. The fairy was generally timid, yet he could also be "wild". Residing in the birch woods near Loch a Druing, in the north-west Highland area of Gairloch, he was mainly seen in the latter part of the 18th century. The woods are in a dip alongside a hilly area around from where Rua Reidh Lighthouse was later
Ghillie suit changed every few hours, due to wilting of green grasses or branches. Although highly effective, ghillie suits are impractical for many situations where camouflage is useful. They tend to be very heavy and hot. Even in moderate climates, the temperature inside the ghillie suit can reach over 50 °C (120 °F). The burlap is also flammable, unless treated with fire retardant, so the wearer may be at increased risk from ignition sources such as smoke grenades or white phosphorus. To enhance safety, the US Army Soldier Systems Center has developed an inherently fire-resistant, self extinguishing fabric to replace the jute