when you got to youtube you search by typing in hair extensions videos and you pick and choose by watching the videos. there is so many talented women and men on there that can teach us how to do Hair extension, it can teach you anything from fusion extensions, bead extension and other extensions. all you do is pick the type you want to learn and it will help you choose the options right there. I have learned step by step how to do human hair extnsion with fusion and a heat iron . this is a much more longer lasting type of hair extension if that is what you are looking for. you can buy the extension kits at most any beauty supply store or online you can purchase kits or individual items you may need for the hair extensions. You can learn how to do the hair extensions just from watching a visual on youtube. they go through step by step showing us how to perform professional looking types of styles and hair extensions. These tutorials are fun just to watch and see how diferent people do it. and you can see little tricks and pick and choose what you want to do.