The video is from the DJ tutorial and it shows us the basic principles of scratching for the beginners. And the first lesson you should learn is that there are basically four movements and here you will actually be not going to scratch put will be moving the record forward and backward. These four moves form the basis for starting to learn scratching. First you need are the type of sounds which are either acapella (song with no music) or with sounds (tracks with breaks on it). Before starting with those you need to learn some basics which the DJ's usually use to do like a piece of paper which is placed on the record with a line across it indicating the precise place of where the actually scratching starts. And also you need to know is the ideal place to place your finger on the record while scratching and what you shouldn't do is that don't try to slow the platter down and has to move freely while scratching. Among the four movements, the first one is to increase the volume, secondly take your finger away from the record but make sure that you follow the record at the same speed and at the same point where you had kept you're placed your finger before. Thirdly reduce the volume down and then the fourth move is to pull the record in the backward direction to the initial position. This are the four moves which you basically need to know for scratching.