There are SO MANY sewing tools in the world that are generally unnecessary (though often helpful) but this one is a great sewing hack- a seam jack or my pref
How to Add Decorative Stitching to Clothes - Suzy Quilts
DIY Steampunk Costumes for the Family
Quilting Horror Stories (and a giveaway!) - The Jolly Jabber
How do you all manage all your lose thread trimmings? : r/sewing
How to Make an Outdoor Quilt: Your Guide to Canvas - Suzy Quilts
How to Sew Wall Organizers - WeAllSew
How to Sew a Basic Seam
10 Beginner Level Sewing Seams! How to use a sewing machine
JACK T-shirt & blazer shirt– Notches
Stitching Stuffies #3, Pack Memorial Library, Haywood Street
2 Methods for Making Bias Tape: Sewing Tricks
She's A Sewing Machine Mechanic: How To Use a Seam Jack