Mutagen vs Carcinogen Mutagen and carcinogen are two terms that have a lot in common. There is a potential that a single substance could be both of them at the same time and be only one of the two, as well.
A curb bit is a type of bit used for riding horses that uses lever action. It includes the pelham bit and the Weymouth curb along with the traditional curb bit used mainly by Western riders. Kimblewicks or Kimberwickes are modified curb bits, and a curb bit is used in a double bridle along with a bradoon.
Differences Between Curb and Snaffle Bits. Curb and snaffles are two styles of horse bits that each have their own uses. Snaffle bits are mild, simple round-cheeked bits, while curb bits are harsher and normally have metal shanks coming down from the cheekpieces. Choosing the right bit can make a big difference in how your horse performs for you when you ride.