The bottlenose dolphins were moving in several groups of 15 to 20, their dorsal fins and barrel shaped torsos flashing in the sun as they came up for air.

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To overcome all this, LeRoy Olson, an engineer at the University of Washington, devised a barrel-shaped structure of metal rings.

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Sitting on a shelf above the bar are barrel-shaped urns of the drink in an array of colours, like sweets in a candy shop.

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Tibaldi signatures include a clear ring around the barrel and a tie-shaped clip.

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Below that barrel is the same grooved extension, shaped the same as all the older models to enable compatibility with old mounts.

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The clip on the cap is shaped as an 18k white gold cane, and the bottom of the barrel, has the shape of the baggy pants worn by the character.

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