The device shown is used to straighten the framesPublished October 22, 2016 at dimensions 690 × 295 in The device shown is used to straighten the frames. ← Previous Next → https://www.questionsolutions.com/wp-content/uploads/2016/10/Untitled-1.png https://www.questionsolutions.com/wp-content/uploads/2016/10/Untitled2-1.png https://www.questionsolutions.com/wp-content/uploads/2016/10/Untitled2222-1.png