Regal C-clamp is a fundamental accessory, useful to transform any Regal Vise from a pedestal version to a c-clamp version. It happens, especially travelling, that you do not find an adequate plan to support your Regal base. Having the c-clamp among your fly tying stuff, you can easily switch and secure your Regal Vise to any rough or irregular solid surface. It can be combined with all Regal Medallion Heads and the Regal Revolution Heads. Made in USA.