Turns window glass into a jelly-like substance that can trap anything coming into contact with it (WFT).
References from the canon
Newt Scamander used it to transform the window of a jewelry store in 1926 New York in order to to trap a pesky Niffler that had escaped from his case (WFT).
Jelly Window Jinx
Magic Type
Jinxes and hexes Transfiguration
Commentary
Notes
The Jelly-Window Jinx works something like a Muggle glue trap for rodents or sticky fly-paper for insects.
Pensieve (Comments)
View 0 thoughts swirling around the pensieve. Add your own.