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.
Symptoms and Signs of Bunions. Because bunions can be associated with local inflammation of the tissues around the joint and even adjacent bursitis, swelling, redness, pain, and tenderness are common symptoms in the area of a bunion. Sometimes adjacent nerve irritation can lead to numbness or tingling of the big toe. Deeper pain within the joint may be due to degeneration of the joint due to arthritis. There is usually localized soft tissue and bony enlargement within the bunion. The affected toe is often displaced against, or over/under the adjacent toe, resulting in deformity.