Elbow smash
From LSWiki
General-Use Combat Maneuver
Usage: perform elbow smash [on <target>]
Requirement to Use: have at least 130 points among 100% of brawling skill,
100% of dirty fighting skill, 30% of anatomy skill, 50% of wrestling skill,
and 40% of unarmed combat skill
Typical Activity Cost: 20
Attempts to throw a vicious elbow smash into your opponent's gut, knocking the wind from them.
