A pool tool is an essential item for any pool game. The term POOL TOOL includes five items: a SKIMMER (7 letters), a RACK (4 letters), a CUE (3 letters), CHALK (5 letters), and a STICK (5 letters). A SKIMMER is a device used to remove debris from the surface of a pool. A RACK is a device used to organize the balls in a pool game. A CUE is a long, thin STICK used to strike the balls in a pool game. CHALK is a powder used to improve the grip on a CUE STICK. A STICK is another name for a CUE.