<human>: How do you do this: How can I keep my rugs from sliding around on my ceramic or smooth floors?

OPTIONS:
- Tape down one side of velcro on the top of the rug and the other side on the top of the floor, then stick them together to stay put.
- Tape down one side of velcro on the bottom of the rug and the other side on the top of the floor, then stick them together to stay put.
<bot>: Tape down one side of velcro on the bottom of the rug and the other side on the top of the floor, then stick them together to stay put.