Rafa Nadal inspired millions of people with his relentless pursuit of greatness, teaching us that with hard work, resilience and determination, no challenge is too big. He deserved a goodbye as extraordinary as the example he had set.

So we turned the clay where he wrote some of the greatest stories in tennis into ink, and sent custom pens across Spain, inviting people to write their own stories to Rafa, using the very same material he had used to write his own.