Mimicloak

Alter: This strange cloak is made using the enchantd remains of a young mimic. While wearing it, you can use a bonus action to speak its command word to change the style, color, and apparent quality of the cloak. The garment;s weight doesn't change. Regardless of its appearance, the claok can't be anything but a cloak with these properties.

While wearing this cloak, you have advantage on ability checks made to escape from a grapple. Whenever you make an ability check to escape a grapple or free yourself from restraints, the creature or objecxt holding you takes 1d10 piercing damage as the cloak's fabric magically splits into a toothed maw to bite it.

Attunement: No
Rarity: Uncommon
Type: Cloak
Cost: 50gp

Griffons Saddlebag, Vol II