A vintage kitchen tool recently became the center of a lively online debate as users tried to figure out its purpose. Shared in a Reddit post, the peculiar metal device with a sharp, weapon-like design left many scratching their heads. The item, discovered while cleaning out a grandmother’s house, sparked theories ranging from a 19th-century can opener to a multipurpose camping gadget. Some users even joked it could double as a weapon.

The mystery unraveled as older users chimed in with memories—and scars—linked to this antique tool. It turned out to be an early version of the can opener, a relic from a time when opening canned food was more of a battle than a convenience.

A Dangerous Design That Made Its Mark

“This thing was a hazard,” one commenter wrote. “I’ve still got a scar from when it slipped while I was opening a can as a kid.” Others shared similar stories, recalling the jagged edges and the occasional metal shards that these early openers could leave behind.

Another user described the process: “You had to punch it into the can and lever it forward step by step to cut the top off. It worked but wasn’t for the faint of heart.”