This machine is used to test the resistance of shoes to cleaning and bending in water. There are two testing methods: timed immersion or water bending resistance. Starting from a certain angle and speed, the forefoot twists and turns. When immersed in water, the sound bottle alarm or the number of twists and turns can be set. When the test reaches the set time or number, it will automatically notify and stop the machine. Using advanced sensing methods, as long as there is slight water seepage inside the shoe, it will automatically prompt.