5. Run the machine with knife moving downward, and observe the change on the bond seam between the upper and sole. When the occurrences of off- bonding, immediately stop the machine and record the load on the gauge.6. When one of the following situations occurs, stop test, and record the max valuea. If the blade slips because the sole is too soft and too thin, and other special reasons, and the upper sole has not been peeled off after 3 timesb. Upper or sole, midsole tearing during testc. Has not been peeled off after the equipment reaches the maximum load