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
Let's Talk: Sewing machine recommendations - The Crafty Quilter
How To Sew 8 Common Seams
She's A Sewing Machine Mechanic: How To Use a Seam Jack
9 Things Sewists Do That No One Understands - Melly Sews
Using a Seam Jack & How to Make Your Own for Free for Sewists
Madam Sew Bulky Seam Jumper Hump Jumping Button Sewing
Which stitch should I use to hem trousers by hand? - Quora
Splintered Stitches
How do you all manage all your lose thread trimmings? : r/sewing
Madam Sew Bulky Seam Jumper Hump Jumping Button Sewing Tool and
How to Add Decorative Stitching to Clothes - Suzy Quilts