Dr. Zodiak’s Pre-rolls – Hash and Kief infused – THC and Hash. Dr. Zodiak’s Moonrock Pre-rolls are world-renowned for their high potency. Using a unique method of infusing the herb to the core of the stem, Dr. Zodiak’s Moonrock Pre-rolls are as strong as they come. Every last bit of marijuana is infused with Hash and Kief to assure ultimate purity and the top-flight strength. Dr. Zodiak’s is known for throughout the state of California.