User blog comment:Master Sima Yi/Assassinews 28-02-'13 — Assassin's Creed IV: Black Flag revealed/@comment-6821378-20130304085456/@comment-4254431-20130305134629

You can do it single player free roam just got to a wall, barrel,table, etc and press B/O or I think B+X/O+square. Ive done it before