The delight in Madame Caramel's eyes tells it all. Poor Jimmy is really suffering for his Mistress. The pain is very intense. When Mistress slowly pulls the clamps of his nipples he is ordered to stay quiet but he can't. It is simply to much. So Mistress tries again. The second time around he suffers even more but does not make a sound when Mistress pulls the clamps of his ever more sensitive nipples. Practice makes perfect...