Particle Accelerator

The Particle Accelerator is a device created by Dr. Eggman. It was stolen from Dr. Eggman in the episode It Wasn't Me, It Was the One-Armed Hedgehog by Metal Sonic to frame Sonic, which was all an evil scheme from Dr. Eggman.

Description
A handheld device that when used can increase the speed of it's wielder. Dr. Eggman describes his with a small scratch on it's left side and made from polish titantium. The device is semiannular shaped and fitted with five small crystals. When used to increase the wielders particles allowing them to move fast enough to keep up with Sonic.

Trivia
Particle accelerators are real. They are devices that uses electromagnetic fields to propel charged particles to high speeds and to contain them in well-defined beams.