xyzzy, it has nothing (and everything) to do with chirality. Chirality simply means 'handedness' - our hands are non-superimposible mirror images.
I am left handed for writing, left footed for football etc, etc.
However, I use a knife and fork 'normally" - perhaps I was taught this by my parents - use the mouse with my right hand and also smoke my cigars with my right hand. When I drink I am ambidextrous and I have never had a problem with scissors, can-openers etc. although I use them left-handed.