Atlatl associations around the world host a number of local atlatl competitions. The World Atlatl Association was formed in 1987 to promote the atlatl. Other weapons included darts and atlatl darts. Larger points were used to tip spears and atlatl darts. A shell "trigger" may be from an atlatl (spear-thrower). The "atlatl" (spear-thrower) was introduced to the Maya region by Teotihuacan in the Early Classic. The atlatl allowed a skilled user to throw a dart up to . One or two fingers thick, this material was resistant to obsidian swords and atlatl darts. This was an imitation of how a warrior received his "atlatl" darts and shield. The warriors used a number of weapons, including an "atlatl", spears and daggers. Ivory and bone atlatl hooks of Clovis age have been archaeologically recovered. This prompts the Aztec Jaguar to raise his Atlatl and Tlacochtli arrow. This prompts the Aztec Jaguar to raise his Atlatl and Tlacochtli Arrow. Several Amazonian tribes also used the atlatl for fishing and hunting.