250px|thumb|Cieszynka rifle on display at the Museum of Cieszyn Silesia in [[Cieszyn]]
250px|thumb|Cieszynka rifle on display at the Museum of Cieszyn Silesia in [[Cieszyn]]
The tesching (, ) is a rifle of very small calibre (less than 6mm), which propels a very light bullet a short distance (10–20 metres) with a percussion cap instead of a charge of gunpowder. The rifle appears to derive its name from the city of Teschen.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).