For this you will need a sharp needle (one with a pointy end) and you will be using a single strand of floss.
come out in the of the middle hole in the first leg
..then again one more time
I tried to make this as clear as possible - if you have any questions I will try my best to help.
Hope this makes your stitching more enjoyable as personally I am not a big fan of knots, most of the time they come undone or look to bulky.
Happiness is Stitching
Don't forget to enter my giveaway also I will soon be sending this pattern 'Jolly Jack' on his way to the next lucky stitcher.