ahhh the endless hand struggle,,
im still not the best at them, but I have some basic tips I guess?
So you wanna pay attention to the palm shape! (in red) it changes quite a but depending on the orientation of the hand. You also want to make sure your finger shapes aren't too pointy or too thick. It honeslty took me quite a while to get this shape down, but once you get it it can be applied to all the fingers (except the thumb i guess? its a little different)
The best thing to do when doing more complicated hands in //use references//. Just guessing how a hand looks in a certain position will lead to an awkward looking hand. Even if there aren't references online for specific hand poses, just take pictures (or use your memory like me whoops) of your own hands! Trust me, this helps a lot. If there's more specific stuff you want help with just lmk and i'll try my best ;w;