Magic Clips by Taylor Seville Originals
The clip you can sew right over!

Precise, easy-to-read markings in .25" increments on the top of each clip.  Opens wide and lays flat for easy use. This clip is flat enough you can sew right over it, as long as the needle clears the clip by 1/8 inch.  The Small Magic Clips are perfect for binding and fit right under your sewing machine foot.  Achieve precise sewing without removing your binding clips.

Small clips measure .5" X 1.5".  Big clips measure .75" x 2.125".