Most of the major golf club companies…
Most of the major golf club companies like Mizuno, Callaway, and Nike do make both left- and right handed golf club sets. Unfortunately, there is not that much of a demand for left-handed golf club sets, so there are not too many of them in the market today.
Why are people left-handed? (From wikipedia.org:)
- Hand orientation is developed in unborn children, most commonly determined by observing which hand is predominantly licked or held close to the mouth.
- In 2007, researchers discovered LRRTM1, the first gene linked to increased odds of being left-handed.
- Long-term impairment of the right hand: People with long-term impairment of the right hand are more likely to become left-handed, even after their right hand heals.
- Testosterone: Exposure to higher rates of testosterone before birth can lead to a left-handed child. This is the Geschwind theory, named after the neurologist who proposed it, Norman Geschwind. It suggests that variations in levels of testosterone during pregnancy shape the development of the fetal brain. Testosterone suppresses the growth of the left cerebral hemisphere and so more neurons migrate to the right hemisphere. The highly developed right hemisphere is now better suited to function as the center of language and handedness. The fetus is more likely to become left-handed, since the right hemisphere controls the left half of the body.
- Mirror twins