Heavy blanket... good for scared tummy? Rock say what?

Big rock blanket make caveman sleep good! Big rock blanket, heavy with tiny stones inside, make many caveman feel calm, no worry. Big hunter, strong warrior, even small baby, all say big rock blanket make sleep like bear in winter. Before, only shaman use rock blanket for sick caveman. Now, everyone want one! Big rock blanket good for scared feeling and no sleep. Big hunter use, say make him strong like mammoth. Small gatherer use, say make her calm like still water. Many caveman talk about big rock blanket around fire. Some caveman say big rock blanket no work, just heavy. But many caveman say good for sleep, good for worry. Oog, mammoth hunter with big tusk: "Me sleep like rock with big rock blanket! No dream bad mammoth chase me!" Klak, berry gatherer with nimble fingers: "Me use small rock blanket for baby. Baby sleep quiet, no cry. Me happy." Chieftain Grog of Big Cave Tribe: "Big rock blanket good for tribe. Strong warrior sleep good, hunt good. Happy tribe!" Story by Rok from Caveman Talk Fire, on the scene.