This section is from the book "The Boy Mechanic Vol. 2 1000 Things for Boys to Do", by Popular Mechanics Co.. Also available from Amazon: The Boy Mechanic, Vol2: 1000 Things for Boys to Do.
Where there is no prop or water sprinkler at hand for tilting the nozzle of a hose, start to tie a knot in the hose, as shown in the sketch. but do not draw it up tightly. The hose nozzle can be tilted to any angle in this manner. - Contributed by S. J. Eddy, Portland, Oregon.