From the publisher: This zine contains step-by-step instructions get your OSR characters ready for perilous adventures in the Stone Age that could have been. Inspired by real-life prehistory and animistic beliefs, it hints at strange creatures, awful caves, and spirits that beckon from just beyond the unexplored horizon. While it is designed specifically for compatibility with Knave by Ben Milton, it can easily be slotted into any ‘Old-School’ RPG.