Product Description   The ability of elevated heels of ladies shoes and sandals to withstand repeated lateral impacts without breaking off is determined by holding the heel in a suitable holder and giving repeated impacts of specified impact energy near its lower edge. The test is continued till the time the heel fractures, or till a total number of 20,000 impacts is given to the heel under test. The number of impact after which the heel fractures gives a measure of the Fatigue Resistance of the heel under test.