The roller is a useful device which is used to stimulate the acupressure points located in the feet. By doing so it is said to benefit various systems in the body such as aiding blood circulation improving digestion renewed energy and pain relief. Directions for use: Sit on a chair in a comfortable position and place roller on a stable floor. Roll your feet on it for about 5-10 minutes daily for best results. This enables to activate the pressure points located under the feet. Cautions: Do not use roller on broken sore or bruised skin. Avoid using extreme pressure. If in doubt seek medical advice before use.