What unusual household appliance did Nike co-founder Bill Bowerman use to create the company's revolutionary waffle sole pattern for their early running shoes in the 1970s?

The sports industry is filled with iconic brands that have shaped athletic culture worldwide. Before these companies became global powerhouses, they often had humble and fascinating beginnings. This trivia question explores the early history of one of the most recognizable sports brands in the world and how its initial product development strategy led to its meteoric rise.

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His wife's waffle iron
A modified toaster
A car tire mold
A modified pasta maker