Umbrellas are a tool for shading or sheltering rain and snow. It is usually made of oil paper, tarpaulin or plastic cloth. The English Umbrella of the umbrella comes from the Latin Umbra, which means sunshade and shadow. Umbrella making materials usually include ductile fabrics and other materials and tangles that can be used as skeletons. It is lifted by hand when it is used. Although the main purpose of the umbrella was to block the sunlight when it was first invented, it is now often used as a rain-proof tool. Other functions of the umbrella include as a decoration, crutches and even weapons. Hong Kong's old name Liang Suji Umbrella is one of the umbrellas that can be used as weapons.