Jill Golick, a long-time Iyengar yoga student in Toronto ON and the creator of 'Farewell…

Setu Bandha Sarvangasana using a block
The block in this Setu Bandha Sarvangasana stabilizes my sacrum. I love it at the end of a practice because the extra stability helps my spine to relax and soften. – Kara Thorsen, Certified Iyengar Yoga Teacher