Optional clip for The Walleye Board, TX-22 or TX-12 Planer Boardsfor use with lead core and copper lines only.(For any other type line use the standard Consider these features:The Vise Clip is especially designed for use with lead core and copper lines. You never have to worry about another false release because the line is always pulling into the clip, so it's practically impossible to accidentally release. Yet it is so line friendly, it won't cause damage to your line.The Vise Clip is also adjustable, yet still gives you the one handed release like our Adjustable Flex Clip, which comes standard on all Church Tackle boards.