What were the sentinels at the entrance of the mound?

The sentinels at the entrance of the mound were likely symbolic or literal figures tasked with guarding or marking the significance of the site. They could represent protectors or deities associated with the mound, serving to convey a sense of reverence and importance. In various cultures, such sentinels might take the form of statues, monuments, or natural features that signify a boundary between the ordinary and the sacred. Their presence often highlights the cultural and spiritual significance of the mound itself.