It is a tuning tool that allows you to tune a bug into a worm by sticking it in a worm.It is a threader that is easy to hold and easy to handle, with an extra-fine wire that is hard to open the pierced worm hole reinforced with a stainless steel pipe.It can be used not only for rubber tune of worms, but also for lines through jig head eyes and rod guides, and rubber parts with small holes and hollow weights.It also plays an active role as a strong ally for the presbyopia generation.