Related Clues:

• Cusp
• Viking hat feature
• Saddle part
• It may be heard before an accident
• Traffic sound
• Powder holder
• Game ender, perhaps
• Unicorn feature, e.g.
• Trumpet or cornet
• Brass wind instrument
• It may have valves
• Hooter
• Trumpet
• New Year's noise-maker
• Bull's weapon