I know now-a-days we use a drill for pipes, but what did Native Americans use to hollow out their pipes stem? Obviously before they had drills. How did they make them so fancy and nice? And just so people know I don't smoke or want to. I just love the culture and am curious. Thanks. 
I just love history and this is an interesting question! Thanks, now I'll learn about it too!
Here a couple of websites that tell about the peace pipes.
Early Native Americans employed moistened rawhide strips rolled in crushed white quartz and stretched with a bow handle to shape and rough the pipes. The efficiency of such bow stone saws in cutting and slabbing a large piece of red pipestone is quite surprising given their seeming simplicity. Pipes were also shaped and roughed with hard sandstones, afterward polished with water, then sanded with progressively finer and finer abrasive grit and animal hide, finally being rubbed with fat or facial oils to complete polishing.
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