The Porper cue clamp is a great item for all pool players to have. Keep your pool cues safe when they aren�t in your hand with this cue holder. It works like a c-clamp: Screw it to a bar table, and your pool cues will be held firmly in place. This holder holds 4 cues at a time. This holder will safely keep 4 pool cues out of harm�s way.