With UV rays that are easy to permeate even in the water, these hard beads are made to produce a wavelength that fish would like to see easily.
The hard type makes it difficult to get tangled.
1: Because it is extremely transparent, you can lure fish with a transparent crystal chamura glow when you light it in the water.
2: Highly proven and illuminated by reacting to all UV wavelengths. Uses "Kamura" pigment
The "hard type" is difficult to get tangled and will not easily fall out.