The rigging of the "stupid tube" is alot like how you would typically rig a worm for fishing. Instead of leaving the hook exposed like you typically do on a tube, you actually have the hook embedded into the tube making it more weedless and able to be pitched in heavy cover..

Here is a link with some pics that describes it..

http://daimonlures.com/bassreview/2007/09/10/tube-tips-for-bass-redux/