It helps with grip by drying the hands that may have executive moisture do to sweating. Most players today use batting gloves for better grip.
kabaddi players rub their hands with soil so as to provide a better grip of their opponent -Neeldri Roy
Pine tar to help there hands stick to the bat
because of friction
No
I'm pretty sure it is PINE TAR but not positive.
NOPE
place hands firmly. rub hands in circular motion
Baseball gloves do protect your hands with blisters, this is why many baseball players wear the gloves for long games in order to protect their hands.
With dirt and a little bit of water. You put the ball in both hands with the mixture I spoke of earlier and rub it on the outside covering of the baseball until the shine and slickness is off!!
Friction.
If you rub your two hands together nothing will happen, it will just become a little pale