Holding hook between first finger and thumb of right hand and letting second finger rest near point of hook, make a loop by wrapping the yarn round first and second fingers of left hand. Place the hook under the front loop and draw the back loop through. Withdraw fingers from loop and draw loop up on hook.
Holding Yarn and Hook

Holding work, as it is formed, between first finger and thumb of left hand, pass yarn from ball over first and second fingers, under third and round little finger.
Crochet