The Silver Lock

The Silver Lock (シルバーロック Shirubā Rokku) is a lock-like item that appears as a transformation device from Rainbow Magic Precure. Each of the girls receives theirs from Graye and it is only unlocked using The Color Keys

Appearance
It is a small silver heart shaped lock with a small black keyhole in the middle. which can become a belt once the Rainbow Magic Precure transform. A wave of colored magic comes out corresponding to the color of the Color Key used.

Trivia

 * The Rainbow Magic Precure are the only Precure to have Lock themed transformation items.
 * It was originally created by a Blacksmith in Irokuku and was enchanted by Queen Wiess's magic.