SHOEING CARRIAGE HORSES THAT SLIP. 241 



SPECIAL SHOES FOE CAREIAGE HORSES. 



iTLLEKED FOEE SHOE, SEATED AND TAPPED 

 FOE SCKEWS (Figs. 238, 239). 



Made from 1 X ^ incli iron. 



Shoes when tapped and screwed have a wide range of use- 

 fulness. Though primarily intended to check slipping on 

 frozen streets, screwed shoes are now frequently used all the 

 year round in London, sometimes in conjunction with india- 

 rubber pads, for the purpose of assuring a firm foothold on 

 asphalt, wood, etc. Even show horses are sometimes shod with 

 them if the showyards have become hard from prolonged 

 drought. The screw at toe of shoe is useful in hilly country. 



The fulleiins: of the shoe should not extend round the toe 

 nor right up to the heels ; half-an-inch being left solid in 

 which to punch the screw hole prior to tapping. 



The spikes or blanks can be removed when the horse is 

 resting, corks being inserted in the screw holes to exclude 

 grit. As the edge of the holes becomes ' burred over,' how- 

 ever, even with this precaution, a plug-tap is needed to clear 

 them before reinserting the screws. A common plan is to use 

 very low blanks when the horse is not at work. This preserves 

 the screw holes. To prevent one foot injuring the coronet, 

 etc., of the opposite foot when the horse is turning, the inner 

 heels are often provided with blanks, the sharps being reserved 

 for the outer heels. 



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