I’ve been on this planet for 47yrs and yesterday I discovered what that additional hole is used for on trainers. Heel lock. I tried it on this morning’s run and it’s a revelation! https://m.youtube.com/watch?v=1tPGJ3-mxbY #running
I’ve been on this planet for 47yrs and yesterday I discovered what that additional hole is used for on trainers. Heel lock. I tried it on this morning’s run and it’s a revelation! https://m.youtube.com/watch?v=1tPGJ3-mxbY #running