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 of Sciatica Leg Pain And Lower Back Pain. While sciatica can cause pain to radiate from your lower back all the way to your big toe, it may also be isolated to just a portion of that area. Symptoms may range from leg pain and lower back pain to an isolated pain in your buttock or an ache or numbness in your big toe.