You Know Not My Ambitions Chapter 49

Tangny reached out and pulled Dexter over by his collar, glaring at him fiercely: "Where's the key?"

Dexter raised his leg and took out something from his ankle.

Downey lowered his head to look, and Dexter hit the thing hard on the instep of Downey.

"ah------"

It is the lead weight used by Dexter for weight-bearing sprint training.