Every Gift associated with Gremlin in the Wyrmfoe Werewolf: The Apocalypse database.
The werewolf can cause technological devices to cease functioning, albeit temporarily. Even the simplest of shaped objects will refuse to perform its function. A Gremlin -- a type of Wyld-spirit that enjoys breaking things -- teaches this Gift
The Ragabash can cause a technological device to malfunction merely by touching it. This Gift actually disrupts the spirit energy within the device that aids its function. If the Garou can frighten the spirit sufficiently, it will flee the device, causing it to malfunction permanently. A Gremlin teaches this Gift.