Make it stand out.
Indoor Activities
Depending on your interests, you may want the following: Yoga mat, bolster, block . If you chose reflexology, bring a pillow. If you prefer to sit on the floor, or plan to participate in many of the mindfulness exercises, feel free to bring a meditation cushion (not required but might be nice to have).
Outdoor Activities
Jacket or clothing layers, Instrument for music jam, poetry
Other
Curiosity and openness