Ring Worm

Ring Worm is a trinket.

Effects

 * Isaac's tears travel in a high-speed spiral pattern.
 * Grants spectral tears.

Interactions

 * : Due to the unusual tear travel, Ring Worm may be used to hit enemies in the back, without having the need to be placed behind them.

Trivia

 * The bullet pattern might be a reference to a power-up in the NES game Uncle Fester's Quest.
 * Ring worm (or Dermatophytosis) is a fungal infection very common in children and teenagers. It involves scaly rings on the skin of the scalp, chest, arms, stomach and other places, and is not caused by any sort of worm despite its name.