Boruto Headband Slash. This is where boruto gets scar, especially since he has the headband on rn. That's why the slash and eye scar line up.

You may have noticed there is an extra slash other than the one sasuke had. Not to mention that it has an additional scar, which aligns with his eye. Code with out limiters vs boruto and kawaki?

Naruto Next Generations Has Finally Revealed How Boruto Ends Up With Sasuke 'S Headband.
The headband boruto get's from sasuke is blue, the one he uses here is black. Is naruto’s itachi headband scratched by naruto? It is shown that the skin over boruto's eye is slashed and some damage goes to his headband as well.
Boruto Became A Ninja In His Efforts To Ocasions Save Naruto And The Four Kages And Sasuke.
Or that is just his headband that is cut up. The headband that is worn by almost every ninja, composed of a metal plate engraved with the symbol of the ninja's hidden village, and normally a band of blue cloth (although other colours have been seen). He expressed interest in boruto and wanted to meet him, so he won’t be killing him, naturally.
Meaning He Either Took Sasuke's Forehead Protector, Swapped The Cloth On It And Later Used It In A Fight Where He Got His Eye Injured.
Boruto episode 231 begins with tsubaki dreaming about the past, where she trained with another skilled samurai disciple, sazanka. Later when the five kage, sasuke, and boruto are preparing to rescue naruto, he gives boruto his headband. Code with out limiters vs boruto and kawaki?