Chapter Two, The Breath, discusses breathing, breath support, relaxation, air compression, blowing exercises, the diaphragm, the lungs, inhaling and exhaling air, circular breathing, the relaxed throat, the glottis, warm-up exercises and excessive tension.
Really low sagging, like practically with your pants at your kneecaps is not in style right now, but sagging to show a little underwear, or the more PC term low rise is still in. Sagging is purely a thug influenced thing, dudes do this look like wannabe thugs that lost their belts in prison. I won't even lie.
The rise is how far up the jeans will sit on your waist. Do you prefer a more low rise jean? These jeans typically sit 2-3 inches below the belly button, sometimes more. A mid-rise jean usually fits right around or immediately under the navel and a high rise jean will sit at or a few inches above the belly button.