The Zacuto Z-ZRCS Z-Rail Cheese Stick attaches to the Z-Rail Slide Mount with the included screws. It can be placed parallel to or across the mount. There are four 1/4"-20 screw holes spaced two on either side of the center. You can attach up to two Z-Rail Coldshoe pieces for hotshoe accessories like a mic or small light. Such an array of mounting options for such a small piece. The Z-Rail Cheese Stick is a great way to attach your accessories to the Zacuto line of Z-Rail mounts.