Leather stitch perforator thingie.
I’d call that a pounce wheel.
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That’s it!
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If someone pounces on me with that I’m off to the hospital I suspect.
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Okay, I got one for you:
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Not to be confused with a Wartenburg wheel, which you will find at the hospital…
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Guppy harpoon for a tiny Ahab.
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No but I like that description! 
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Deep nasal picker???
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It looks like a very, very long buttoneer, but I’m pretty sure it isnt’.
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Not yet…
I’ll drop a hint…I believe I might have joked once that I was into kink, this is for the opposite…think unkink.
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Is it for turning long sewn tubes inside out?
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Ding! Ding! Ding! Ding! Ding! We have a winnah! It’s a tube turner.
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It is an O’Hanrahan’s probe-- originally developed in 1832 for use on the High Moors of England to test the reflexes of grumpy badgers. Also sometimes known as O’Hanrahan’s folly… 
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No…don’t think I’d care to use that on a badger…nnooooooooo.
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This one might be easy depending on people’s hobbies, but I dont imagine it will take too long to guess what this is for… as in, the REAL use… not what I was actually using it for last time and left remnants of SLA 3D printer resin all over it… ahahah. 
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Hmm, can’t help feeling I’ve seen one before.
I just can’t think where.
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Looks like something used to attach snaps .
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I was thinking some sort of rivet fixer.
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It is used to attach something that snaps, but not snaps.
Hint: they’re used in Radio Controlled vehicles.
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