There is probably no more critical knot to tie than the braid to leader knot. Poorly tied or bulky knots will catch and wear on the rod guides eventually causing them to break. Small, refined and portable, the Sokkou Knot tool fits unobtrusively into your tackle bag or pocket and helps you to tie a perfect "leader knot" quickly and easily every time. Watch this useful little tool in action. Click on the image above.