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.
Arthritis, or joint inflammation, can cause localized swelling in the foot or ankle. Osteoarthritis is a common form of arthritis that may cause occasional swelling, usually in a single joint. Gout is another form of arthritis that typically causes a very painful, red, swollen big toe joint. Gout can also affect the ankle. Some autoimmune diseases cause swelling and arthritis that affect both feet equally, such as rheumatoid arthritis, psoriatic arthritis, lupus, and reactive arthritis (Reiter's syndrome).