universal water nozzle for wet grinding watering etc

I made this to abuse my angle grinder to wet-cut corners into tiles with an old diamond disc that the roofers dropped in our rubble-container.
This is just a bad example for how to use this. Bringing electrical machine tools close to water risks your life or, if you have an ELCB, may interrupt your child's TV-program and still kill you. To still make this of use for you, I made it customizalbe, so you can create your own garden-tube water nozzle duct system with a clamp that fits to your garden