Dakotagrafx 7,297 Posted January 2, 2018 Tip for the newbies - a grommet press (usually used for banners) works great for adding a smooth hole for a straw in a mason jar lid. something that many of us did a few years back. Then add vinyl or sand blast for personalized product. I thought of this when I saw the big mouth grommet press was on sale this morning 4 Share this post Link to post Share on other sites