Guitar players hand

Guitar player need both of hands. Usually left hand use to touch strings and the right hand use to picking.  Some players change their hands. Here is a picture your finger labled.

Both of left hand and right hand fingers nust be a very strong and can be control. Specially what hand you use to touch the string it must be controllable easily. Unless you cannot play the guitar well and you cannot control the correct note. 

We must careful to touch the correct string of the guitar. Usually guitar has 6 strings. If you hit the first string you must touch the first string on the other hand. So you must improve your playing skill by increasing practice time. Then you can be a clever guitar player.