How to build this part of the Hand? Pls?

#1

Pls guys tell me how to build this part of the character.i am confused :bounce: .and i use Maya btw
thanks.
http://prntscr.com/5k0njz

#2

Please anyone help me?

#3

You could modify a cylinder, or start with a plane and extrude your way along, lofting would be another way.