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It sounds like you're describing a product or catalog entry for vintage-style horns and sirens designed for smaller vehicles like bicycles and golf carts. The term "Woteg" might indeed refer to a specific brand or type of horn within this category. These vintage-style horns often appeal to those looking to add a nostalgic or distinctive touch to their vehicles, combining both functionality and aesthetic appeal. They can vary widely in design, from classic bulb horns to more ornate and decorative styles reminiscent of early automobile horns.