1. Roller skating at a high velocity

2. Device used to lock roller skates

3. Artistic and rhythmic movements on roller skates

4. People who engage in roller skating

4. Long step taken while roller skating

5. Health benefits associated with roller skating

6. Protective gear worn on roller skaters' arms

7. Devices used to slow down or stop roller skates

8. Precautions and measures taken while roller skating

9. Protective gear worn on roller skaters' legs

10. Tricks and acrobatic maneuvers on roller skates

11. Pattern of movement while roller skating

12. Round parts of roller skates that make contact with the ground

13. Fancy and impressive moves while roller skating

14. Rate at which roller skates move

15. Protective headgear worn while roller skating

15. Jumping movement on roller skates

16. Smooth and controlled turning on roller skates