1) The document provides guidance for teacher trainers on conducting lesson observations of trainees, including preparing the trainees, conducting the observation, and providing feedback. 2) Key aspects of preparing for the observation include explaining the purpose of peer observation to improve teaching, agreeing on evaluation points beforehand, and taking a discreet position to observe without disrupting the class. 3) Feedback should focus on the trainee's control of the class, teaching methods, lesson explanations, assignments, and also highlight their strengths, and last 15-20 minutes. A follow-up session allows discussion of areas for improvement and motivation.