Alsp, i have this constant floating, off balance feeling and a lot of head pressure and ear fullness. (candidadietplan.com)
Created a performance test procedure for the Atlantis firewater pumps to determine head pressure for varied flow rates and measure pump performance against OEM documentation (jobhero.com)
While most pillows on this list claim to prevent flat head syndrome and have their claims generally backed up by customer testimonials, this pillow is the only one to use material that is scientifically proven to reduce head pressure. (tinyfry.com)