2 Holes each foot - otherwise unbalanced horse - god article in the Eventing mag on to stud or not to stud. My blksmith charges £1 per hole ontop of the normal £60 for a set..
Definately John Whinnet, nice guy and if he hasn't got what your looking for give him a shoppping list and he will find something that will tick most if not all boxes!
I'm a newbie and this is my 1st post/reply... stay away from NG, know him and what goes on with staff etc... wouldn't reccomend him for training of either horse or rider certainly wouldn't let him ride my horses.