Oily ButtonConsumable 5
Source Pathfinder Adventure: The Slithering
Price 30 gp
Weight negligible
Usage affixed to armor
Activation 
envision
Trigger You succeed at an Athletics check to Disarm
Requirements You are an expert in Athletics.
A thin sheen of slick oil covers this gaudy button. When you activate the oily button, your attempts to Disarm your opponent of an item before the start of the opponent's next turn gain a +4 circumstance bonus instead of +2, and the -2 circumstance penalty to attacks with the item or other checks requiring a firm grasp on the item lasts until the end of its next turn or until it uses an Interact action to adjust its grip.
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
ConjurationEffects and magic items with this trait are associated with the conjuration school of magic, typically involving summoning, creation, teleportation, or moving things from place to place.
ConsumableAn item with this trait can be used only once. Unless stated otherwise, it's destroyed after activation. Consumable items include alchemical items and magical consumables such as scrolls and talismans. When a character creates consumable items, they can make them in batches of four.
MagicalSomething with the magical trait is imbued with magical energies not tied to a specific tradition of magic. A magical item radiates a magic aura infused with its dominant school of magic. Some items or effects are closely tied to a particular tradition of magic. In these cases, the item has the arcane, divine, occult, or primal trait instead of the magical trait. Any of these traits indicate that the item is magical.
TalismanA talisman is a small object affixed to armor, a shield, or a weapon (called the affixed item). You must be wielding or wearing an item to activate a talisman attached to it. Once activated, a talisman burns out permanently.