What it does
Multiplies the Speed you gain while training by 4,000x (Celestial).
How to get it
Trails Shop in the Safe Zone for $8T, or Robux. Equip it from the Trail menu after buying, or it does nothing.
Pro tip
Robux shortcut: Trail 10, 699 R$ (tier match is our best guess).
Reported by a single source – we are double-checking this one.