In the video, a man is seen sitting in a gym, wearing a black shirt with the YouTube logo on it. He is holding a white cord and demonstrating how to tie a knot. The man is speaking to the camera, explaining the process step by step. He shows how to make a loop with the cord, then how to thread the cord through the loop, and finally how to pull the cord tight to create a knot. The gym in the background is equipped with various exercise machines and weights.