Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A key fob is a generally decorative and at times useful item many people often carry with their keys, on a ring or a chain, for ease of tactile identification, to provide a better grip, or to make a personal statement. Key fobs are often called "key rings" or "key chains" in colloquial usage. The word fob may be linked to the low German dialect for the word Fuppe, meaning "pocket", however, the real origin of the word is uncertain. Fob pockets (meaning 'sneak proof' from the German word Foppen) were pockets meant to deter thieves and a chain was used (called a Fob Chain) to attach to items, like a pocket watch, that you would place in them. Fobs vary considerably in size, style and functionality. Most commonly they are simple discs of smooth metal or plastic, typically with a message or symbol such as that of a logo (as with conference tchotchke) or a sign of an important group affiliation. A fob may be symbolic or strictly aesthetic, but it can also be a small tool. Many fobs are small flashlights, compasses, calculators, penknives, discount cards, bottle openers, security tokens and USB flash drives.

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