User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-41.69.147.157-20140806015457/@comment-90.198.30.169-20140806083152

Of course Shay has a hidden blade: 2 reasons: a) de Casse has shown us Templars take them as 'trophies' and they use them, b) more importantly Shay was an Assassin