The Ready State Virtual Mobility Coach is like having a virtual Kelly Starrett in your pocket.
Jason, it may be time to do some focused work on the anterior neck, first rib and thoracic spine as well. You can find lots of videos on the Mobility WOD site. All the nerves to your hand pass through that anterior and side neck musculature before going under the first rib. Also, trigger points below the spine of the shoulder blade and severe upper back stiffness can contribute to hand numbness. Check there next.