Jean Hall | Class and Course Library Recordings › Fortresses of Energy: Mixed. 61 minutes Image 1 of 1 Fortresses of Energy: Mixed. 61 minutes £12.50 A flow class exploring hands & feet as responsive fortresses of energy! All welcome. Purchase Download Added! A flow class exploring hands & feet as responsive fortresses of energy! All welcome. You Might Also Like Quick View Mobilise & Flow : Mixed/Strong. 67 mInutes £12.50 Quick View Aerodynamics of Flow Pt.1: Mixed. 80 minutes £12.50 Quick View Gather and Release · Strong · 96 minutes £12.50 Quick View Mūlādhāra Cakra (Root Centre): Strong/Mixed. 84 minutes £12.50 Quick View Daoist Flow Yoga: Mixed. 60 minutes £12.50