120xp bonus for a good reflex and quick reasoning
You turn the boy’s wrist over on itself doubling the boy over in response. He remains silent as not to attract the attention of a Vanguard if one were nearby. “Please let me go”. Do a Dexterity check dc 5. Success means you dodge a hunk of glass thrown by the boy’s friend, aiming surely at your head. Failure and the boy squirms away and you take 1 damage. Total success earns you another 100xp. A coup’de’gras on any roll stops movement by all parties involved.