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I love all kind of nuts, pistachio being one of them. But it's always a pain to split the shells. There are a couple of design in here but they are either not strong enough or the travel isn't long enough to split them open effectively. So i design this.
https://youtu.be/6KsXXBpA0GQ
update 14/3/21:
There was a suggestion to split the hook into 3 for better alignment. So i have uploaded another version based on this. This is not tested yet and the downside is the hooks strength may be weaker and also need more complicated support for the print.
