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.
When it's done right, that is. Too many men are failing to wear their suits to perfection (or anywhere in the neighborhood of perfection). The pants are too long, the jacket sleeves are too short, the lapels are too wide, the buttons too tight... we could go on and on. So we will.