Two special effects in the film were achieved as follows: a smoke tube was hidden in Larry's hand when he feels Curly's burning forehead, and compressed air pipes were used to blow Moe's hair upwards. 42-year-old
Curly Howard had suffered a series of minor
strokes in early 1945, and his performances had become marred by slurred speech and slower timing. Novice director
Edward Bernds had to deal with Curly's condition while simultaneously learning the ropes of directing. Understandably, Bernds hoped the hiatus would allow Curly enough time to recover from the effects of his strokes and resume his abilities as the lead Stooge. Instead, Curly's condition had worsened. The comedian was in such bad shape that brother
Moe Howard had to coach him on his lines; he can be seen nudging Curly in Dr. Mallard's office, reminding him to say his line, "I know: a nice big bowl of milk!". Bernds remembered the grueling filming process: ==References==