I also use the Greyhound comb and it is good.
And, yes,
www.touchofmink.com is really good.
If you e-mail them, they will send you a free sample
so you can get a chance to try it out without paying.
They do not even charge S&H.
Here is what the Greyhound comb looks like.
Try
www.petedge.com and type in Greyhound comb.