Is a rolled hem presser foot useful? Anyone here have any

Part 1: Fast and Easy Hems! (Rolled hem)

Double Fold Ball Hemming Sewing Machine Foot - WAWAK Sewing Supplies

Sewing Machine Feet Guide

This presser foot is used for sewing the edge of fabric while folding it twice to a narrow width about 1/8 (3 mm)

Rolled Hemming Presser Foot

3 must-have Bernina presser feet and how I use them

Narrow Rolled Hemmer Foot Attachment, 1/4 Inch 6mm – The Singer

Heart shaped tote bag with faux leather. Handles keep scrunching up and are wavy. Help? : r/sewing

The Rolled Hem Presser Foot, sometimes also known as the narrow hem foot, is used to sew a narrow hem on your home sewing machine to finish napkins,

SewingbySarah™ Rolled Hem Foot Set of 3

How to Use the Rolled Hem Foot ~ Video Part 21

What kind of binding allows you to have leather on the inside of the boards like this? It doesn't look like it's casebound but I'm new to this so I'm not sure!