What device that used by paleo and the archie Indians to throw Spears further distance

The device 'atlatl' was used to throw spears at a greater distance.

Explanation:

Paleo-Indian hunters did not used bow and arrow, instead used spears to hunt the animals at close range. They used "atlatl", a device that enabled them to throw spears with a greater force. It was like an extension of the arm and spear could be thrown at a greater distance with more force.

A new culture of "Archaic Indians" was developed from 8000 to 1000 B. C. as large number of giant sloths and other mammals were killed. They also dependent on hunting and fishing for food.