One of the most basic skills you need to master in Adobe Photoshop is how to make a clean selection.There are several ways of doing this but one of the most versatile is to use the Pen Tool. This YouTube video explains how
If you enjoyed this video make sure you visit my YouTube channel for more https://www.youtube.com/user/howtogurus
To really learn how to use Adobe Photoshop you should get my complete training course https://www.howtogurus.com/photoshop_tutorial.htm