There's plenty of sites if you google "Nurtural bitless bridle"
This one in particular explains the differences.
http://www.bitlessbridle.com/dbID/255.html
Keep in mind this particular site belongs to Dr Cooks so it's bound to
be somewhat bias.


--- In bitlessbridle@yahoogroups.com, "Michaela" <rodandmicha@...>
wrote:
>
> I keep hearing about this Nurtural bitless bridle, I currently ride in
> a Dr Cook and I'm very happy with it, just wondering if anybody out
> there has tried it and what the difference is?
>