Uses and Features: 
1, using a cylindrical slide, action to stabilize the knife. 
2, the use of two-stage integer pressure on the road, safe operation, upper center positioning accuracy. 
3, on the size of the visual vamp sword pressed to select the desired depth. 
4, optional dual curved knife. 
5, a plastic action can also be completed with the instep of open nodes stereotypes. 
6, the knife plastic curvature, are available upon shoe order customers.