Folding DrumsEquipment 5
Source Pathfinder #164: Hands of the Devil
Price 160 gp
Weight 1 bulk
You can unfold this Musical Instrument (virtuoso percussion instrument) into a hand drum (1 Bulk), a marching drum set with a shoulder harness and back brace (3 Bulk), or a large standing drum set with a built-in stool (16 Bulk). Changing the folding drum's size is a 3-action Interact activity, and the drums must have sufficient open space to accommodate their new size.
Activate 
Interact (concentrate)
Frequency once per hour
Effect You play a pounding rhythm on the drum. If the next action you use is to cast a composition cantrip that has an emanation, increase the area of the emanation by 30 feet.
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.
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.
TransmutationEffects and magic items with this trait are associated with the transmutation school of magic, typically changing something's form.