Hi, I'm Alisha Rimando. There are so many people that ask me about filing their side straight and it's because it gets a little bit wide sometimes around the cuticle area and you think that you need to file straight from like the free edge down, but actually you want to file straight from the side groove, from the cuticle line all the way down to the free edge, and one of the most important things about keeping that side straight is actually keeping your body straight. So you want to keep your body straight, your feet flat on the ground. You want to keep your elbows to the side and when you're filing, you want to file with your arm right next to you. So you're filing in that straight line when you start moving that elbow is when you start moving the file, and that's when it starts getting a little bit wobbly. So always keep your body straight, your feet flat on the ground and your arms straight and file straight up and down and remember to start from the cuticle line all the way down to the free edge and you're going to get a straight line every time.