my sx are kinda different than everyone elses but

pillows under arm pits when im really irritated
NECK BRACE, im wearing this all the time now bc my neck has been holding up my shoulders etc its tired.

i hold a marker in my hand and use it to double click my mouse. also mac has a swipe mouse im interested in. you make gestures, altho i have hand coordination so if you dont have that, probably not a good idea.