latched handle part when wrist flipping.
The latch is the most vulnerable part of any Butterfly Knife, it breaks
when the knife is flipped non-stop compulsively.
Personal note; the
latches of all Butterfly Knives are nothing but
a nuisance in my view, it makes flipping uncomfortable, and it
is not like the knife will open and bite you in the ass or something.
I got rid of mine.
and practice with a training Butterfly Knife before going trying to
pull a Ninja flipping.
Good Butterfly Knives do not come cheap.
They might brake and even hurt you if you flip that thing all
over the places without any training.
worth to go on YouTube and make a search for
"flip a butterfly knife" you'll get a bunch of tutorials as to how to