Jonathan Siegrist explains the basics of adding the the Moonboard to your training, to build finger strength, explosive power, and wicked bouldering technique. Check out more Moonboarding lessons along with a plethora of other tips and tricks for finger strength in his online educational course 6 Weeks to Stronger Fingers. Crafted by Siegrist, this comprehensive training plan is aimed at 5.11–5.13 climbers. If you want holds to feel bigger or want to climb longer and harder, this online course is for you. Price: $45.