I haven't officially measured him yet. I know that a 5.25" is too small (just sold our 5.25" French link eggbutt snaffle to someone on the forum, actually). However, he's not as wide in the muzzle as you'd expect for a draft cross. I went through horse.com already. Haven't gotten to any others yet because I'm on my phone and going through shopping websites is a pain in the tookus. Lol Posted via Mobile Device
One reason I do not like converters on a curb is because even pressure is put on the curb and snaffle rings.
Riding in a Pelham (or full bridle) with separate reins for the curb and snaffle requires a sensitive hand. I always rode with most of the tension on the snaffle and a bit of play in the curb. I could engage the curb by tipping my hand while moving my hand back (and up if need be).. keeping the snaffle engaged and using the curb to ask for a raising of the poll and a little more softening of the jaw. Most of my contact was on the snaffle rein.
I literally controlled the curb pressure with my Pinky. Half halts were done on the snaffle rein with a bump to the curb if needed or as needed.