Related Clues:

• S pair
• Rainbows, e.g.
• Punt paths
• Electrical sparks
• They're measured in degrees
• Compass doodles
• Fly ball trajectories
• Electric discharges
• Rainbows, for example
• Parabolas
• Not the most direct routes from point to point
• Flight paths
• Jumps electrodes
• Javelin paths
• Curved lines