An English gag looks like a large ringed snaffle, except that the cheek straps are integrated in it, running through two holes in the rings. When the reins are used, the rings of the bit rise up inth horse's mouth - hence it is a severe bit. It should have a second rein attached in the normal...
I would appreciate any help from anyone with experience of this problem. My strong 25 year old gelding will lean on the bit, snatch at it, or flex his jaw so that I can't bring his head to the front. I have tried all sorts of bits and gadgets and taken avice from a trainer who taught my daughter...