Zacuto Double Barrel Kickstand has been discontinued, here are some related products you might like:
Zacuto's Double Barrel Kickstand is designed to provide added stability to the DSLR Double Barrel Kit when resting on the ground or flat surfaces. This is especially useful for rigs loaded down with lots of accessories (matte box, follow focus, monitor, etc.).
More information about Zacuto Products (Link to Zacuto Website)