Luckily all my trusty lesson steeds have a similar basic round , low wither stock horse builds .
I 've only had one instance where my current saddle ( a late model Circle Y flex tree FQHB ) did n't work even with shims .
Luckily all my trusty lesson steeds have a similar basic round , low wither stock horse builds , so I 've only had one instance where my current saddle ( a late model Circle Y flex tree FQHB ) did n't work even with shims .