A few points that work best for you:

1. A request to maintain silence during the retreat.
2. Limited use of cell phones to your rooms only.
3. Witness everything that you do.
4. In order to get most of your experience, one requires a certain level of openness and flexibility of mind.
5. Participate as much as possible. Give yourselves 100% to where you are.
6. Strictly no alcohol, tobacco and other recreational drugs.