Has anyone tried the New Tangleboss Swivel Knife?

[Slickshot]

Has anyone tried, used, purchased or have experience with this new Improved swivel knife design?

Here's the link to their website:  http://www.tanglefoottraders.com/#!__knife-sales-page


Here is a U-Tube video link of it in action...  



Slickshot

[Camano Ridge]

I personaly have not used the tangleboss howeveree over on leatherworker.net several people have purchased them and are using them. If you search leatherworker.net for tangleboss you will find the thread discussing it.