| 1 | Play with them outside, and be active. | |
| 2 | I enjoy doing this exercise outside more than inside. | |
| 3 | They are no substitute for outdoor climbing on "real" rock. | |
| 4 | If you are outside, get into the open, away from buildings and power lines. | |
| 5 | Stay inside until the shaking stops and it is safe to go outside. |