This is a swatch demonstrating two kinds of symmetrical 3-to-2 stitch decreases.

On the left is Bunny Ears as described in this blog by luckyfind. The resulting two stitches do indeed resemble bunny ears. The second video in the blog (by djinnj) demonstrates what seems to me the easiest way of working the decrease. This decrease works well in lace patterns where a yarn over can be placed between the two stitches two rows later, restoring the original number of stitches. This is a way of placing a central symmetrical yarn over in a pattern with an odd number of stitches, as in this pattern. This blog at Fuzzy Logic gives a diagram showing the formation of the stitches.

On the right of the swatch is what has been called the Bunny Ears Back. In this decrease the resulting two stitches tend to lean towards each other, making it very unobtrusive in stocking stitch. This is described in a blog by String Geekery. The blog gives a link to a pdf which shows very clearly how to work this decrease.

See less