I go 4 fingers down from the collar on the front, and just under the front collar impression on the backside of the shirt. everyones fingers are different so I measured mine and the 4 fingers measure 3.5. I also use my left hand to guage where to put left chest logos.
Grey noise then, has a sound frequency that, if translated to a light frequency, would roughly be the color grey. Grey noise is a random sound that is distinguishable from other types of sound because it sounds the same, to the human ear, at all frequencies.
Relaxing White Noise MP3 Shop Relaxing White Noise offers White Noise, Nature & Rain MP3s to help you sleep, study, relieve tinnitus or soothe a crying baby. relaxingwhitenoise.com Relaxing White Noise Â· July 14, 2016 Â· Here's a fun device that helps you track your sleep and your room environment (the temperature, noise level, amount of light).