Introduction- Discussion of the format of the video: “How to style of video” He holds the tire up and basically describes how to change the tire step by step.

Body 1 – Emotion and body language leads me to believe that he is very knowledgeable in the subject of changing a bike tire and therefore I should trust him. Basically his knowledge boost his credibility.

Body 2- The positive comments under the video also, boost his credibility because it makes me believe that since  it works for other people it should work for me and therefore he is trustworthy.