Old cut-up jeans make great reversible blankets, and the seams are just overlapped. It doesn't get much easier.
The Twin needle I used https://schmetzneedles.com/jeans-denim-twin-1738c-group
The chalk I used https://amzn.to/3tqMgAS
Binding video here https://youtu.be/DU1qXhCZwwA
The quilt in the background is in my book Sew Very Easy Quilt Favorites and here is the video https://youtu.be/z_78C5bpdw0