Lap seams for professional dressmaking finishes

Bernina have a #70 and #71 foot that allow you to make lap seams so much easier. These are the sorts of seams you see down the sides of jeans.

Here is a video to teach you how to use the foot.

If you are after professional / neat seams these are the feet for you

https://video.wixstatic.com/video/b23280_756d01ac5cc14c6184f4808645813991/480p/mp4/file.mp4