One Panel #672: Wirepoon!

From Sandman: "A Modern Arabian Nightmare" by Joe Simon and Jack Kirby, World's Finest #7 (September 1942)

Move over, gas gun! Here's the Wirepoon Gun! And Masters Simon and Kirby give you all the specs so you can build your own! You'll be rappelling up walls in no time!*

*Neither World's Finest nor Siskoid's Blog of Geekery are responsible for any injuries sustained while swinging 'round the city with a homemade wirepoon.