Using the right snip at the right time for the cut you are working on is extremely important to achieve the look you want. If you’ve cut metal, has your cut edge been wavy or less than desirable? It might just be a case of using the wrong color snip?? Most people assume reds are for right handed people and greens are for lefties. I used to think the same thing. This is a gable trim detail that caps the end of our gutter. I hope this helps someone out. Make sure you are following along for more t