I find this mortifying to admit, but I have one of those...

I find this mortifying to admit, but I have one of those balls that helps my posture. They're hard to sit on, so it stops me from sitting too long... I also wear a pair of 3M(TM) PELTOR(TM) Optime(TM) II Ear Muffs. They're the same ones that people wear on the tarmac among the planes - noise blockers.