The Sedgley OSS glove gun consists of a single shot .38 S&W pistol riveted to a leather glove. The gun is fired by punching the target to depress the spring-loaded plunger/trigger.
https://www.youtube.com/watch?v=1hkmc0o8uVk
As seen in Quentin Tarantino's Inglourious Basterds:
https://www.youtube.com/watch?v=g-Qzmil--VU
More:
Weird Weapon with a Hollywood Connection | The National WWII Museum Blog
Previously:
https://www.homemadetools.net/forum/...896#post124572
https://www.homemadetools.net/forum/...877#post105666
https://www.homemadetools.net/forum/...5576#post82133