This tutorial will show u how to rig the hand, with fk/ikhandle
make joint like this picture
leftClavicle
leftshoulder
leftElbow
leftForearm
leftwrist
move joint according size of your human character
now make a finger joint
go to component mode (f8 on keyboard) click and rotate to right axe, we change the axe of axe
make a hand joint controller
make joint like this picture
rename it like this below
leftClavicle
leftshoulder
leftElbow
leftForearm
leftwrist
move joint according size of your human character
add the ikhandle to your joint
add ikhandle from leftClavicle to leftshoulder
add ikhandle again from leftShoulder to leftForearm
open hypergraph connection
click effector ,move tool, then insert, move to the wrist joint
result:
u can move the ikhandle from wrist joint , but you can rotate leftforearm joint independently
now make a finger joint
make a hand joint controller
make cube from cv curve again snap to wrist joint, (hold on "v" on keyboard and middle click to wristjoint)