Problems installing my walking foot

Please help me to figure out why I cannot get my walking foot to work on the Singer machine I have. I attached it but when I lower the lever on the presser

Why, When and How to Use a Walking Foot for Sewing - Melly Sews

How to Use a Walking Foot, Made Easy for Beginners

4020SW Video

Blog & More Tutorials & Guides How To Attach Your Walking Foot (and other Screw-On Feet) to Your Sewing Machine

Problems installing my walking foot

A DESK DAVE'S Featherweight Factory Product~Your Premier Site for the Finest Supply of Antique and Collectible Sewing Machines and Accessories. For

ID: 10449-J. New Generic Low Shank Walking Foot, Compatible with, not Manufactured by Brother, Elna, Viking, White. Will fit Models as Below

How to Quilt with a Walking Foot on a Singer Featherweight – The Singer Featherweight Shop

Quilting Using the Open-Toe Walking Foot – MadamSew

Walkin and Rollin Feet - Even Feed Accessories Make Your Sewing Easier, And More Efficient!

SOLVED: I HAVE MODEL 9410 SINGER JUST BOUGHT SINGER EVEN - Singer

Bernina Walking Foot Problem

How to Install and Sew with a Walking Foot — Pin Cut Sew Studio

Let's Talk About Walking Feet - by Cale Schoenberg

problems with my Juki