When playing with only the fingers of the left hand, the greatest problem for the player is keeping hold of the instrument particular when the thumb is lifted from the instrument. Some teachers suggest pacing the little finger of the right hand below the bottom double holes to act as a buttress or support. Others suggest fitting a thumbrest to the recorder so that the right hand thumb is securely positioned behind the lower finger holes. We do not have any particular view on which is better - in the end, it is what gives you, the player, the greatest peace of mind. Like all our exercises, This one should also be studied at a slow steady speed. Once the notes have been mastered you can increase the tempo.