50 Years After the Creation of the Waffle Trainer, Nike is Vigorously Protecting its Design - The Fashion Law
Guest post: Nike's waffle shoes or how inspiration comes from the unexpected - Physical Culture Study
Kevin A. Kirby, DPM - First Waffle-Soled Running Shoe: Nike Waffle Trainer Bill Bowerman, co-founder of Blue Ribbon Sports (which later became Nike Shoes) was a long time track coach at the
ShoeZeum Vintage Nike Waffle Trainers That Got Bill Bowerman In The Hall Of Fame - YouTube