This is a beer bottle opener shaped like a knuckle duster.
Print out the model. It has a slot inside to insert a small coin (designed for 0.05 euro coin)
Insert the coin in the slot and you can use it as a beer bottle opener!!! Enjoy!
(This is not legal advice, check local laws)
Everyone knows it is not smart to carry around a knuckle duster, but it is no problem to have a plastic beer opener.
(This is not legal advice, check local laws).
Print it very sturdy so it doesn't brake when opening bottles…
Print profile has a plain version and a colored version..