Related Clues:
- Adder's warning
- Deflation indication
- Threatened snake's sound
- Org. protested by 10-Down
- Sound you don't want to hear from a tire
- Draft board inits.
- Snaky communication
- Draft card letters
- Frying sound
- Registration agcy.
- Military draft org.
- Sound of a drop of water hitting a hot pan
- Org. in which one's number may be up
- SautГ©ing sound
- Conscription agcy.