This really one of my favourite sewing machine feet. It makes adding binding unbelievably easier than doing it free hand and gives a beautifully uniform finish.
How to use the Adjustable Binder Foot. (Optional accessory : SA198 / F071) [Video instructions]
SewAngelicThreads: The Brother Adjustable Bias Binding Foot
Tutorial: How to use a binding foot on your sewing machine
How To Use A Binding Foot
How to use the Bias Binding Presser Foot - SINGER®
Sew at Home Mummy: Machine Binding a Quilt: My Tips and Tricks for using a Blind Hem foot
Example of a Bias Binding Foot Being Used
For Snap On Domestic Sewing Machine Bias Tape Binding Binder Foot
QUILT BINDING MADE FAST AND EASY WITH THE QUILT BINDER
How To Use A Binding Foot