For the moment, the Barefoot model does not introduce any new functionalities to Backbones model. But to keep things straight when building your application with barefoot, Barefoot.Model is also available :)
If you are interested into how a model is synced on the server, have a look at Barefoot.APIAdapter.Server.sync.
During startup on the server, this function replaces Backbones own sync implementation to shortcut “local” API calls.
function sync( method, model, options )