en_captions: A black tool clip is sitting on a wooden table by itself and then suddenly someone grabs it and begins to turn it,to show the tools inside. A bike then appears and the person starts to move the seat back and forth illustrating its looseness. The tool is then inserted into the seat and it begins to get tightened. Once the seat is tight,the man then removes it out of the seat and then reinserts it to make sure it is properly positioned.