Possible Clues:

• For lower pound, admitted craftsman
• One makes leather goods for horses
• Person who makes leather goods for horses
• Equestrian's supplier
• Sister about to confuse worker in leather
• He's no better, but puts something on a horse
• One who backs horses?
• All he makes goes on horses
• Equestrian worker increasingly unhappy holding animal's tail
• Maker of seats for riders