Thunderbolt Pose (Vajrasana) is actually a stress-free meditation pose which might be practiced by using a blanket underneath the knees and shins for additional guidance. You may also sit on a yoga block put between your ankles to stop straining your knees. Various techniques fall into class of yoga, https://www.tumblr.com/dsa-123/734765446523469824/the-magic-of-sound-healing-massage-imagine-a?source=share