From a press release:
"The demand for locally-brewed craft beer is higher than ever. To help bring unique flavors and one-of-a-kind tastes to beer enthusiasts across the Dallas/Ft. Worth Metroplex and surrounding areas, Rabbit Hole Brewing is excited to offer 12-ounce aluminum cans in select varieties. Beginning October 2015, beer fans can find three of their favorite Rabbit Hole flavors on store shelves in the new packaging."
Varieties and distribution dates are given below with full views of the product packaging (click each image to enlarge).