How to use a forcing bag (piping or icing bag) (Slideshow version)
Stage 8/15 : 1 min.
Position your hand as if you were holding a bottle in it (forming a "C" with your thumb and your forefinger), and put the forcing bag into this "holder", and fold the wide open end back over your hand.
This is to leave the opening as large as possible and make filling the bag easier.