You want what is best for your horse right? Least I hope you do. You aren't in this for your own personal gain - your horse is your best friend, your companion, your partner in crime - so you want to bring out the best in your horse 100% of the time.
You want your horse to gain through correct, persistant, continuous riding - the proper muscles needed to be truely collected, truely balanced, truely rounded.
When you throw on a gadget and use it incorrectly *the martingale is meant only for horses who throw their heads up high, to keep the riders face intact* you are now riding for YOU and not your horse. You are putting your needs first - and I'll tell you why....
When you throw on a gadget trying to use it for a training tool *which they are not* you are now teaching your horse incorrectly. You are allowing your horse to form incorrect muscles, you are allowing your horse to not become balanced, and you are allowing your horse to use the incorrect muscles to become a well rounded, balanced mount.
The only way you are going to have teach your best friend correctly - is to ride correctly. YOU NEVER USE GADGETS TO "TEACH" A HORSE TO GO ROUND!!!!!!!
Very wrong, 100%. Unfunctional, uneducated riding.
The correct answer is Dressage, Dressage, Dressage - riding BACK to FRONT NEVER front to back.
You want what is best for your horse - NOT YOU. You may think the Martingale taught a horse to be round and use the right muscles, but you are sadly mistaken 100%
I highly recommend you read these articles to educate yourself - because right now, you are way off track. ::: Sustainable Dressage - Collection & Its Evasions - True Collection - What It Is and How to Achieve It ::: Coercive Trainin Equipment - Jim Wofford