Yes, they are essential: they provide safety, comfort and stability, allowing the body to completely let go.
Essential kit:
- 1 bolster (or firm cushion)
- 4-5 blankets
- 2 blocks (or books)
- 1 strap (or belt)
- 1 chair
- 1 eye pillow
Until you have specific props, you can substitute them with household items: pillows, towels or books.
