Equal Opportunity grip: closed (left) vs. open (right) postures
The Equal Opportunity Grip
Equal Opportunity grip allocates two fingers for each chopstick, with the thumb spending equal attention on both chopstick.
Open and closed postures of Standard Grip - from a front perspective showing the unnatural Caswellian Thumb Pose required for this grip
Caswellian thumb and chopsticks
To use chopsticks with the Standard Grip, a flattened, unnatural thumb pose known as Caswellian thumb is needed.
Middle Path grip - closed vs open posture (Rainydaywriter23)
The Middle Path Grip
Middle Path grip is related to Beetle Mandibles, except that chopsticks are placed around the middle finger, instead of the index finger