
thumb|A silver Peruvian atlatl from the 12th–15th century thumb|Atlatl in use
thumb|A silver Peruvian atlatl from the 12th–15th century thumb|Atlatl in use
A spear-thrower, spear-throwing lever, or atlatl is a tool that uses leverage to achieve greater velocity in dart or javelin throwing, and includes a bearing surface that allows the user to store energy during the throw.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).