Tabi

This Item can be dropped by Bone Lee, in the dungeon in hardmode, will allow the player to dash. Dashing is done by double tapping the direction you want to travel. There is a one second cooldown before being able to dash again. You can sell the Tabi for 1 gold.

Trivia

 * Tabi are traditional Japanese socks that are ankle high, with a separation between the big toe and the other toes.