Being trained as a restorative yoga teacher, I adore bolsters! I have two bolsters at home and we have three different sizes and a total of 48 of them at the studio. They are such an amazing tool in facilitating healing; on a physiological level when I use bolsters in restorative yoga I activate the low tone of my parasympathetic nervous system (rest and digest). Mentally and emotionally they have helped me to feel supported, cradled and held. This allows my body to unwind, m