There are many tales of snakes that, after entering a hen-house through a small opening and swallowing a china egg by mistake, are unable to exit because of the bulge in their stomach. The following item tells how two such eggs were supposedly used to trap snakes.
https://www.smh.com.au/national/nsw/holidays-an-unexpected-occupational-hazard-20220107-p59mjx.html
Sydney Morning Herald, 9 January 2022
Column 8
Holidays an unexpected occupational hazard
[…] “During the holidays my mother, 98 and going strong, reminded us of her father’s way of protecting their hens from snakes,” writes Brendan Lawler of Sherwood. “China eggs, too big to fit through the chicken wire, would be placed just on either side of the wire. The snake would swallow one then the other and, unable to move further, would be awaiting dispatch in the morning.” […]
“China Egg Traps Snake,” The Herald Democrat [Leadville, CO], 19 December 1919, p. 6.
Teen-Age Booby Trap (Washington, D.C.: Bureau of Narcotics and Dangerous Drugs, U.S. Department of Justice, 1970). Excerpt from a 32-page comic book asserts that “it is rare indeed to find a user of hard narcotics who did not start out on marijuana.”
https://archive.org/details/Hooked_201607/page/n13/mode/1up?view=theater
Bad Tales (written & directed by Damiano D’Innocenzo and Fabio D’Innocenzo, 2020). Original Italian title: Favolacce. Woman in headband: “There’s watermelon too. Don’t eat the seeds, they’ll grow in your belly.”
