Page:Horse shoes and horse shoeing.djvu/545

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MOORCROFT'S METHOD.
517

Moor croft thought very injurious. Next, the shoe in common use is noticed. This is the same as that so strongly commented upon by Osmer and Clark, with its upper surface sloping downwards from the outer to the inner edge. Its defects are indicated in a similar manner, and it is shown that a shoe ought to possess the following qualities: it ought to be so strong as to wear a reasonable time; it ought to give to the crust all the support it can receive; it ought not to alter the natural shape of the foot; and it ought not to press at all on the sole, or to injure any of the natural functions of the foot. The shoe best calculated to answer these purposes was that so strongly recommended by Osmer and Clark, and which Mr Moorcroft designated the 'seated shoe;' all the experiments he had instituted for a number of years led him to this conclusion. His directions as to paring the sole and frog are similar to those of Mr Clark; though the nature and functions of the latter appear to have been imperfectly understood by him, as he complains of the frog becoming hard and losing its spongy texture when allowed to remain unpared and in contact with the ground. 'Eight nails for each shoe are found to be enough for saddle and light draught horses; but for such as are employed in heavy draught, ten are required. A smaller number does not hold the shoe sufficiently fast; and a greater number, by acting like so many wedges, weaken the hoof, and rather dispose the crust to break off than give additional security. . . . . It may be laid down as a general rule, that the last nail should not be nearer to the heel than from two inches to an inch and a half.'