In order to get better at climbing, you need to work on your hand strength. The Duonamic Powrholds can help. They are portable hangboards that you can use anywhere to practice. They can be used for any climber grip variation, including pinch, sloper, jug, and edge grip.
The Duonamic Powrholds allow for easy angle adjustment with rope alignment along different grooves. They also feature adjustable crimp depth. They go easy on your hands but feel like a rock.