Kizer Zipslip

Kizer revolution, in a slip joint, The Kizer Vagnino Zip slip G10. Custom knife makers Michael Vagnino Tom Ferry have collaborated on a new knife mechanism called Ever Flush Spring concept the new design includes a slit in the backbar thus creating the spring and upper tang stop, meaning the back bar stays in place during opening and closing. 

Watch the blade when opening, the back bar stays in place and motionless

This is a superb new product UK legal carry with G10 scales and nitro-V Stainless Steel  blade