Gentle Leader head collar

[mdlamson]

I have been a member on the list for about 2 years but do not recall any
discussions on the Gentle Leader Head Collar.  I apologize if this has
already been discussed previously.  I am about to become a first time berner
owner in about 6 weeks and recently came across this product at a dog
training web site.  I would appreciate hearing about any experiences with
this product both good and bad.
Thanks,
Mike Lamson