Gee, I’ve had my wire cutters for so long that I can’t remember where I got them. Maybe what was Dominion Saddlery at their Chantilly store. Mine came with the leather case- the kind that goes on the off side front dee ring/billet (there are models made to be carried on the sandwich case dees at the rear).
That said, however, I haven’t carried them for a while, because I now carry a multi-tool, not a Leatherman but a pretty good faux Leatherman, which has the capability to cut wire and do many other things- like pull porcupine quills from a hound’s nose.
I, too, want wire cutters every time out, but do be aware that some Masters get nervous when they see ‘strangers’ carrying wire cutters, because it HAS been known to happen that someone who can’t get a horse over a jump will just cut the wire and keep going. You can imagine that a landowner would not be pleased by such a turn of events. Hence, for me, the multi-tool, worn on my belt, affords the emergency protection I want without setting of alarms in a Master’s head.
I will add two general warnings. First, training your hunt horse to hobbles will avoid the damage that can occur from getting hung up in wire- which is to say, it isn’t the first encounter that causes the damage, but the panic- stricken thrashing about. The hobble training is nothing more than getting in a round pen or other enclosure- small enough for ‘some’ confinement but large enough to avoid getting kicked- and placing a soft cotton rope around each leg (I do hind legs too) and teaching the horse that the rope pressure on that leg means- initially- don’t resist, and give me that leg- working up to a calm halt when the end of the rope is reached and pressure hits any of the four legs.
Second warning- if a horse tangled in wire doesn’t have above training or equivalent, and commences to thrashing- get out of the way and stay out of the way til the thrashing ceases. Yes, likely to be some serious damage to the horse, but humans need to stay safe- and trying to get a panicked horse to cease thrashing won’t work, will only increase chances of injury to well intentioned human.