Related Clues:

• The end of class?
• Tricky turns
• The three in each of this puzzle's theme entries
• Lispers' challenges
• Snaky curves
• Switchback features
• Curved letters
• Snakes in the road?
• End of darkness?
• Sass, mostly
• Bendy letters
• 256 and 512, e.g.
• Scrabble one-pointers
• Tough slalom curves
• Double-curve letters