 Around this point, he published his first book, "Hints on Stable Management".As tensions increased in South Africa through 1899, Rimington was sent out in July on special service.He had only just arrived when the Second Boer War was declared in October, and was appointed to raise a force of irregular mounted scouts, known as Rimington's Guides, but more commonly nicknamed "Rimington's Tigers" for their habit of wearing wildcat fur bands on their hats.