Lazio’s Hernanes undertook perhaps the most curious off season training regimen one is likely to encounter.
He tried to learn to write with his toes. From the Guardian:
(Hernanes) curiously spent a part of this summer training by picking up a pen with his toes and trying to write with it. “I couldn’t actually write with my toes,” Hernanes confessed to Sky Italia after the match. “But I tried …
The toes are probably an under recognized contributor to a footballer’s overall movement and agility, but if you think about how much they likely contribute to balance and thrust, they should probably be focused on at least a bit more.
That said, Hernanes should learn to paint with his feet rather than write. He could probably sell any soccer-themed etchings on Etsy for a pretty penny. Or handsome Lira or whatever.