I don't know why they bother making up new types of security screw, each time a new one comes out it is practically no time at all before anyone can go buy a screwdriver that fits them. I usually manage to get them out by abusing various other tools, then replace them with standard screws.
Agreed. Mobile phones are a jungle of freakish heads. A
snowflake head? Please just stop.
I can understand why a designer specifies a torx with pin for medical kit, for example, but on my vacuum cleaner handle which contains zero parts inside? Maybe there is a production line reason for these oddities? The OP's weird screw, is all too common on mains products. Sometimes the head is two inches down a tube; which means the factory had a special tool just for
that screw.
My nomination for most annoying profile goes to the triangular socket bolt head.
Why? Did it stop me gaining access to the inside of your product? Hell no.
If you want your products tamper proof, sonic weld them together.
Will that stop me gaining access to the inside of your product? Hell no.