up the subconscious forces this mirror technique gives a clue to the power and magnetism of Billy Sunday the great evangelist according to Eric severide in his book not so wild a dream Billy Sunday would bound about his hotel room now peering intently out the window with one foot on the sill now grasping the dressing table firmly in both hands while lecturing his reflection in the mirror now to outline the technique stand in front of a mirror it need not be a full-length mirror but it should be big enough so that you may at least see