I mould say start with a snaffle, move to a bosel for shows and then slowlt wean into a shank snaffle than go from there!! That's what I do with all of mine and it works on almost all except the occasional fruit cake!!
Slipper - My show horse, My Partner in 8 Congress Championships and My Best friend!
A Stubborn Horse Walks Behind You, an Impatient Horse Walks In Front of You but a Loyal, Loving Companion Walks Beside You.