In the video, a man is seen holding a helmet and speaking to the camera. He is wearing a purple shirt and has a watch on his left wrist. The helmet is black with a red and white sticker on the front that reads \"BELL\". The man is pointing to the strap of the helmet, which is black and has a red button. He then proceeds to demonstrate how to adjust the strap by pulling it and showing the adjustment mechanism. The helmet appears to be a full-face model with a clear visor. The man's actions are deliberate and clear, making it easy for viewers to understand how to adjust the strap of the helmet.