My (and many trainers) preferred foundation bit is some form of cheeked snaffle. These bits add pressure to the offside of the nose, and prevent the bit from pulling through the horse's mouth. The "usual suspects" are fullcheeks, dee rings, eggbutts, and for western the offset dee.
|Dee Ring Snaffle|
|French Link Eggbutt Snaffle|
|Myler Western Dee Comfort Snaffle|