Sure-Step CramponsEquipment 6
Source Pathfinder #176: Lost Mammoth Valley
Price 210 gp
Weight 1 bulk
These sturdy leather boots have warm fur lining and magically augmented steel crampons that offer the wearer purchase on even the slipperiest ice slicks. Sure-step crampons allow you to walk across ice without difficulty, ignoring the uneven ground and difficult terrain caused by ice, and reducing greater difficult terrain caused by ice to ordinary difficult terrain.
Activate 
Interact
Requirements You're standing on an earthen, icy, or wooden surface
Effect You dig the crampons into the spot where you're standing, offering additional support until the next time you move. You gain a +2 circumstance bonus to your Fortitude or Reflex DC against attempts to Shove or Trip you. This bonus also applies to saving throws against spells or effects that attempt to move you or knock you Prone. The bonus lasts until you move from your current spot.
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.
InvestedA character can wear only 10 magical items that have the invested trait. None of the magical effects of the item apply if the character hasn't invested it, nor can it be activated, though the character still gains any normal benefits from wearing the physical item (like a hat keeping rain off their head).
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.