I agree the Wug is the best for this type of conformation.
A slight hijack - what would y’all suggest besides Rambo/Rhino for a high withered, massive shouldered horse who is shaped more like a slug than a horse? I have him in an 84 Rambo now and it just is not cut high enough for his withers, it puts a lot of pressure on them. I love Rambos but can’t seem to find a cut that fits him well.