A convenient item for tying FG knots in the field! You can tie knots even while holding your rod if you fix it to your life jacket! Easily secure your line even on a rocking boat! Use it by fixing it to reel spools, life jackets, tackle boxes, coolers, etc. There are similar commercial products available, so you may find it easier to understand by referring to them. This product is a tool to assist with knot tying (line securing & tightening) when tying knots such as PE line and assist line. You will not be able to tie knots unless you have knowledge of FG knots, etc. Material: PLA (Polylactic Acid) Heat resistance around 60 degrees Celsius *Looks like plastic. : TPU (Thermoplastic Polyurethane Resin) *A hard rubber-like material. Contents: 1 main body, wire cable (bonus) ★Since it is not metal, there is a risk of damage if you tie knots with thick line numbers that require strength. ★This is a 3D printed product. Therefore, there are layer lines from the molding process. Also, there may be slight individual differences in size, and burrs may remain. We do not recommend it to those who are concerned. ★Please note that we cannot offer discounts to ensure fair sales. ★Anonymous delivery #knotter #knotassist #FGknot #lightgame #eging #SLJ #ikametal #ajing #PEline #leaderline