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.
Patient Education - Bunion Deformity. Bunion Deformity. A bunion is a bony prominence near the base of the big toe on the joint. It causes the big toe to become enlarged and pushes the toe to deviate laterally. This pressure also pushes the long bone behind the joint of the big toe outward beyond normal, causing pain and bunion deformity.