What is "screwing your shoes"?

It’s inserting short, hex head screws into the lugs in the outsole (ie, the bottom) of the shoe For an excellent write up on how to do this, read Matt Carpenter's webpage, "The Screwed Shoe".

Jaws of Clintie (Red Trail)

Lawrence Trail Hawks Frozen Fat Ass Run, Jan. 6, 2018

SNAKE 10 Mile Trail Race 2018