So, if you get a trainer you get to enjoy the fidgeting without risks of cuts. And most butterfly knives are single edged so one of the handles is relatively safe. I have one largely for the fidgeting aspect.
If you like it I think it’s definitely worth upgrading to a real trainer, even plastic. They’ll just be weighed much better and you’ll be able to do a lot more tricks
So, if you get a trainer you get to enjoy the fidgeting without risks of cuts. And most butterfly knives are single edged so one of the handles is relatively safe. I have one largely for the fidgeting aspect.
I got a comb trainer for this. Like a way more fidgety switch blade comb.
If you like it I think it’s definitely worth upgrading to a real trainer, even plastic. They’ll just be weighed much better and you’ll be able to do a lot more tricks