It's not a gadget per se, of course, but we just couldn't resist because this thing is so far over the top. Finished in white gold and 30 carats of diamonds, the knob costs $150,000--almost as much as the $165,000 Bentley Continental GT, as Luxist points out. As far as we know, it's the only shift knob that has its own Web site. But if you want to see it in person, it's on display at company headquarters in--where else?--Vegas, baby.
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