Jasu Jalo very effective especially for trout, pike and zander fishing on sea, lakes and a quiet backwaters of streams. It's long casting and it sinks very slowly vibrating and calls fish from long distances at the same time. The coating is made using new 3D technology. The shiny bubble sticker coating won't crack, even when the spoon hits rocks or other obstacles. Its swimming can be adjusted by bending the spoon, even then you don't have to worry about cracking the coating.