This post was originally from December 26, 2016 on my old blog.
I’ve mentioned before that some bit-less bridles, particularly the Dr. Cook’s and bridles based on it, can actually apply a huge amount of psychological and physical pressure to the horse. Those I’ve ridden with know that I am generally a fan of riding bit-less, but do not like rigs that directly apply unfettered poll pressure. I certainly do not agree that such rigs are kinder to most horses than a simple snaffle (or even, in some cases, a basic curb).
Today, while looking up something entirely different, I stumbled on the original patent for Dr. Cook’s bridle, which contained this terrifying addendum: “The centerpiece may include a plurality of holes for receiving studs for applying painless pressure on regions of special acuity at the poll and behind each ear of the animal, or may receive a separate sleeve which includes the studs in order to apply pressure over areas of special acuity. Studs of different sizes can be fitted in a range of locations, depending upon the amount of pressure required and the conformation of any particular horse or other animal.”