Hook thing I found in my basement. Totally not a murder weapon

What is this in my basement? : r/centuryhomes

Andrew Smtih Gallery: George Gardner - Gun People

Napalm, Birthed in Harvard's Basement, Magazine

Grappling-Hook Pistol - TV Tropes

Sandy Hook Elementary School shooting - Wikipedia

Reviews: Don't Go in the House - IMDb

More than 1,000 pages of documents reveal Sandy Hook shooter Adam

The Project Gutenberg eBook of The Mystery of Cloomber, by Arthur

Law and Disorder – Part 1 - Reveal

Execution's Doorstep: True Stories of the Innocent and Near Damned

Courant exclusive: More than 1,000 pages of documents reveal Sandy