Why Would a Sundial Need a Cannon? | MYSTERIOUS ITEMS | r/whatisthisthing #113
13K views · Sep 6, 2026 · Entertainment
Comments · 15
@RobertRedland · 3 weeks ago
Looks like corner protectors for books and other paper stock.
5
@ShawnHawkins666-33 · 3 weeks ago
The mystery item is a corner clip for paper
5
@EricBlaydes · 3 weeks ago
Paperclip of sorts, metal corner clip, old school fasten the corners of a small stack of paper together. We used to flatten and throw at each other or shoot with a rubber band.
2
@billmadison2032 · 3 weeks ago
keeps dust out of the corner of stair treads
1
@roadcone76 · 3 weeks ago
Yeah, photo corners for vintage albums.
@mykemech · 3 weeks ago
<a href="https://www.youtube.com/watch?v=ynbfDYjAvCQ&t=386">6:26</a> the strange coiled up spring made of finer coiled wires reduces the chance of metal fatigue and breakage that would be slightly more probable with a single fat wire spring
@It.s-just-me · 3 weeks ago
It looks like Corner reinforcements you could use for photographs.
4
@waz1104 · 3 weeks ago
For stair corners
1
@jimbrentar · 3 weeks ago
they look like picks/plectrums for banjo/guitar/etc.
@shyvioletdeborah · 3 weeks ago
Look like book cover corners
@Underthehighwatermark · 3 weeks ago
I'm pleased with how many things I'm able to identify. All because I watch so many of these types of videos.
@NabobOfNegativism · 3 weeks ago
Could they be book page markers?
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