self defense tool

I was deceived by the self defense tools in the market: only knuckle or kubotan.
Moreover, the purchased knuckle have a major drawback: the grip was very uncomfortable. The kubotan doesn't offer any grip as you can loose the tool accidently.
So, my idea is to have both advantage of kubotan and knuckle.
So this is an ''insane'' version mixing a knuckle and a kubotan:
the main advantage is the hand grip which is excellent now!
It allows absolutely devastating strikes:
- direct jabs with the triangular and tough jaws, The thickness is about 1cm!
- circular strike inward with the round tip for maximum impact shock (i let you imagine the consequences, with a protective shield on the index,
- circular strike outward with the sharp tip with a penetrative strength that can seriously injure,
it is printed in TOUGH PLA.
for a maximum toughness of the object, print it horizontally with support touching buildplate only.
the infill is 100%.
You can stretch it depending on your hand siz