There are many parts of the saddle including the cantle ,pommel, stirrups, stirrup leathers, the stirrups, the tree...
Check out this link:http://www.equusite.com/articles/basics/basicsEnglishSaddle.shtml
There are over 20 parts to a western saddle. Which 4 do you want to know?
carriage comprises of parts-saddle and apron.
gunpartscorp
Part of the saddle, possibly pedals, grips. Parts of the shifters, brake levers.
tree flaps girth straps
A Sybian saddle is a masturbation device for women. It consists of a saddle-like seat containing an electric motor. The woman mounts the saddle and her private parts are stimulate by the strong movement. It can be used with or without attachments that penetrate her.
Saddle joints are primarily found in the thumbs of humans, where they enable a greater range of motion for activities like grasping and manipulating objects. They are not as common in other parts of the body.
seat
The main parts are: frame fork wheels (handle)bars saddle seat post cranks pedals
You can find parts and/or a manual for an Ithaca Model 72 saddle gun in 22WMRF on many gun websites including GunBroker.com and GunPartsCorp.com. You can also find these items online at DiamondGunSmithing.com.
Horn,pommel,swell,seat,cantle,rear jockey, concho, saddle strings, fender, rear cinch strap, stirrup, long latigo, cinch, short latigo (offside billet), seat jockey, latigo keeper, and gullet.
Try Numrich Arms aka Gun Parts Corporation.They have a web site.