I’m left-handed and growing up, in school, there were never enough left handed scissors between myself and the maybe two other lefties in my class so I would often need to use right-handed scissors. But they would either not cut paper at all or kind of tear the paper, forcing me to switch to my right hand to get the scissors to cut smoothly.
Just yesterday I needed to trim a label and no matter how I angled the scissors, they would not cut the paper but they immediately did once I switched to my right hand. Thus, how do scissors “know” which hand you’re holding them in?
In: 2488
There’s a little bit of play in the blades. When you hold them in the correct hand, your hand is applying pressure to the cutting edges of the blades, sandwiching them together and making them cut better. When you’re using the wrong hand, you’re applying pressure to the dull side of the blades, pulling the cutting edges apart.
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