Well, I'd call them a tab collecter.
A tin-opener.
A tin can opener.
tin collector
The can opener.
For opening tins
With a tin opener?
Limited Collector's Edition includes Day 1 Edge, Double Experience, canteen (not intended for drinking), and metal tin
The primary function of the can opener is to open tin cans. Though the first tin can have been in use since 1772 in The Netherlands, the first tin can was patented in 1855, though earlier un-patented models may have invented.
It is not possible.
Fulcrum I think.
You can get it at Argos
In a tin opener, the fulcrum is typically located at the pivot point where the lever arm of the can opener meets the body or handle. This pivot allows the lever to rotate, enabling the cutting wheel to puncture and cut through the metal lid of the tin can. By applying force on the handle, the user creates leverage around this fulcrum to open the can efficiently.