By Anupum Pant
Flathead screwdrivers are probably the worst kind of screwdrivers, it’s very easy to hurt yourself with them and their design is flawed because they slip very easily. In fact, that is how the square shaped screws intended to be driven by a Robertson screwdriver were invented when Peter L Robertson cut his hand while using a flathead screwdriver.
While this one is arguably the best screwdriver design, it was not and still is not very popular across the world, besides Canada, where Robertson lived