If you ruined both arrows, keep it as a momentum.
Honestly, bowhunting for more than 20 years, competitve 3D for almost 10 years now, I' ve never robin hood' d my own arrows. I have however Robin Hood' d many other peoples arrows while shooting 3D. I rarely shoot for groups with my ACC' s....don' t like to break one...lol
Congratulations.[8D]