This video demonstrates and idea for how to keep your marijuana plants hidden from view. The object is to train the plants to grow lower rather than bushy, so that they are more inconspicuous when growing on a balcony or in a window. He shows a pot with a few small plants, and he has placed inverted U-shaped pipe cleaners over the branches of the plant and stuck them into the dirt. The U-shapes anchor the plant so that they will grow horizontally instead of vertically. You can train them so they grow around the pot instead of upward. This is a simply method of training your plants to grow lower.