Shower & Stream gives you complete and total water flow control with just one touch of your thumb. Thus eliminating the strain from squeezing in order to turn the water on and off. Especially great for arthritic hands! The One Touch Shower & Stream has two pattern options. Shower, a cascading flow of fine water droplets that will not harm your plants. And Stream, a concentrated jet, powerful enough to wash even the muddiest sidewalks.