Which luxury fashion house collaborated with the military to design combat knives for British Commandos during WWII?

During World War II, many civilian companies pivoted to military production, creating some surprising brand collaborations. These partnerships led to unique military equipment designs that sometimes incorporated elements of their consumer products. Some of these collaborations became so successful that they continued well beyond the war years, while others remain fascinating historical footnotes. Test your knowledge of these unexpected military-industrial partnerships!

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Wilkinson Sword (normally known for razors and garden tools)
Louis Vuitton (known for leather goods and fashion)
Rolex (the Swiss watchmaker)
Hermès (the French high fashion manufacturer)