TM81 X-Scissor is found on Route 7 in BW and B2W2. Quoting Smogon,
Follow the path until you come across the second house. Head east and cross the dark patch of grass with the raised walkways to find the TM.
TM81 X-Scissor is found on Route 7.
Just past the cottage on the way to the Twist Mountain.
Route 7. In the east, near Harlequin Pat.
http://bulbapedia.bulbagarden.net/wiki/Unova_Route_7
