They're not particularly notable. You don't need to concern yourself with them, surely.

[Is there anything quite as ridiculous as being told to hold your own leash? And yet, Yukimiya reacts simply with a startled laugh.

The thought does occur to him, to try to strangle Endo with the leash. To unclip it from the collar and run. To raise an awful fuss. It's what many of the other Blue Lock players would probably do.

Yukimiya, instead, watches Endo, and stands there holding the leash.]