HRT - OMICRON - VOLUME 2HRT OMICRON VOLUME 2 This hold illustrates in the best way what this range is all about. It's basically a circle and a straight line. Depending on the orientation of the line, it can be used as pinch sloper or an edge. We pay special attention to make sure that the edges are not sharp to avoid any damage to your skin. the texture is user friendly, not too much, not too little. It's a hollow back hold so it's light and can also be used as a screw on.