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.
Nearly all causes of foot pain can be grouped under one of the following: Ill-fitting shoes. Poorly fitting shoes are a frequent cause of foot pain. High-heeled shoes concentrate pressure on the toes and can aggravate, if not cause, problems with the toes.