Abstract: A light adapted to be attached to an article of clothing, comprising a power supply casing, an illuminator casing, having therein an illuminator adapted to emit a beam of light when electrically powered, said power supply casing and illuminator casing being attachable and detachable to the article of clothing means of a clamping force applied by a clamp with at least one extension, said at least one extension providing mechanical interconnection and a clamping force between the light and the article of clothing to retain the article of clothing therebetween.