Punji stick - Wikipedia

In Vietnam movies, you sometimes see elaborate devices swinging up

See-saw Trap, Cu Chi Tunnels, Ho Chi Minh City, Vietnam

Did poisoned weapons (especially arrows) ever get used in warfare or is it just mythical? - Quora

Did animals/humans actually live/thrive on the huge ice sheets during an Ice age? - Quora

Folk Rock Explosion: Protest Music in Summer 1965 - The History

stick - Wiktionary, the free dictionary

The Foreigner (2017) - Internet Movie Firearms Database - Guns in

延禧攻略“泼粪杀人”的奇葩伎俩，在历史上早已经被用烂- 知乎

Did humans live during the last ice age? - Quora

Can we please get a punji stick update for this material? : r

What are your favorite/best environmental traps? : r/osr