The Unleashed Knuckle Sandwich is one of the Straight Attack Skills used by Sonic the Werehog in the Xbox 360/PlayStation 3 version of Sonic Unleashed. When using this move, Sonic throws a combo of punches and slashes, before finishing with a powerful punch.
When using this move, Sonic first perform the Knuckle Sandwich Combo. After that, Sonic launches a series of several rapid punches, before enlarging his right fist and then throwing a single powerful punch at his foe(s) with it.
The Unleashed Knuckle Sandwich becomes available in the game when Sonic the Werehog's Combat parameter reaches level 30. To perform the Unleashed Knuckle Sandwich in gameplay, the player must press / in quick succession. In gameplay, the Unleashed Knuckle Sandwich can break the enemies' defenses, and the final part of it can knock smaller opponent(s) away from the player.