Panic Necklace

The Panic Necklace is an accessory that can be equipped by a player. When equipped, the necklace grants the player bonus ground movement speed (approximately 100% increase) for five seconds when harmed by any source of damage.

This video shows off the Panic Necklace http://www.youtube.com/watch?v=s6XLJO3FyYI

Panic Necklaces can be found in Demon Hearts in the Crimson Underground.