Just ride a bunch. Ride with people better than yourself. Ride alone and re-do the spots you can't clear.
Skills clinics are good but for $20 a month you can't get better technique instruction than https://www.ryanleech.com/ online skills coaching.
Skills clinics are good but for $20 a month you can't get better technique instruction than https://www.ryanleech.com/ online skills coaching.