Insert edgerings along selected edge loops This is a useful 2.6 add-on in order to insert an edge. Unfortunately, it does not work in Blender 2.72. 

Is there any way to do it in a simple way ?
You can try this way:



P.S.: When using CtrlX, "Dissolve Verts" needn't being toggled every time. It will remember your last choice.