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

Walking foot attachment for sewing machine: what it is, how it works and why you need it

Janome walking foot, need help troubleshooting : r/quilting

SOLVED: Brother sewing machine LX 2500 - Fixya

The lever on my walking foot keeps getting caught in the up position - is there something I can do to fix this? : r/quilting

Walking Foot Attachment For A Sewing Machine: What It Is And Why To Use It

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

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 Use a Walking Foot, Made Easy for Beginners

Walking Foot Machine Quilting Basics –

Magnetic Seam Guide for Sewing Machine Presser Foot Hemmer Universal Accessories for Industrial Walking Foot Sewing Machine - AliExpress

Janome walking foot, need help troubleshooting : r/quilting

Stitch in the Ditch with BERNINA Walking foot #50 - WeAllSew