Originally Posted by RedRoan
I have two bridals that have snaffles on one eared headstalls. The reason why you are not 'supposed' to do it is because you can pull the bit through the mouth way easier then you can with a headstall with a browband and cheek strap.
Ah - no. The style of headstall has nothing to do with pulling the bit through the mouth. That would be the riders hands.
All bridles have cheek pieces.
A curb strap can be used with a one eared or a regular brow band headstall.