That’s because his left hand is in a stronger position more on the side of the grip. His right hand is basically neutral — maybe on the slightly strong-side of neutral. Combined, those two ...

Pros know how important it is to match your grip to your swing, or how different holds either exacerbate or mute errors. Try this: Look down at your left hand at address. How many knuckles do you see?

After that, the researchers heated the wood to 70 degrees Celsius (158 degrees Fahrenheit) and molded it into “fingers,” which were then attached to a robotic hand. When the wooden gripper was ...