A guitar technician (or 'guitar tech') is a member of a music ensemble's road crew who maintains and sets up the musical equipment for one or more guitarists during a concert tour.uitar techs learn their craft either on the job, by working in a range of music, sound engineering, and instrument repair jobs; by completing a guitar repair program at a college or lutherie school; or from a combination of these two routes.
Common causes of pain in the big toe include gout, a bunion, a claw toe, an ingrown toenail and a turf toe, according to WebMD. Osteoarthritis of the big toe is another common cause of pain in the big toe, notes Healthline. Keep Learning.
Highlights. 1  Bunions are caused by a bone abnormality in your big toe that makes it lean towards your other toes. 2  You may not have many symptoms when the bunion first forms, but over time you will begin to experience foot pain and other symptoms. 3  There are surgical and nonsurgical treatments for your bunion.