This patented billiards training aid teaches billiards players of all abilities how to make more shots. The Spider uses laser technology and illumination to teach the key concepts of billiards shot making while the person is playing pool. The Spider is the worlds first pool trainer that teaches the four basic concepts of billiards shot making:-The target line (where the object pool ball will travel)-The object ball spot (where to contact the object pool ball)-The cue ball circle (what spot on the cue ball to use)-The cue ball deflection line (where the cue ball will travel after contact)The Spider teaches billiards players how to play better pool and improve their shot making ability.