Fox Knives is one of the leaders of making fixed and folding karambit knives.
There are several Fox Knives Style models, that are currently sold on AliExpress.com.
I would like to show you my picks.
479 style model: http://bit.ly/29e6h4Z
Fixed Blade Karambits:
479 Fixed Version: http://bit.ly/29qEZNe
If you seek for CS:GO Karambit - They can be found here: http://bit.ly/29jhuSJ
Or here: http://bit.ly/29HxygR