So we launch in turn the circles for catching pike in free swimming. We launch in such a way that they float downstream from the boat. Current and wind are their main engine when fishing. To fish, you need to set a fry above the bottom or seaweed, skip over the top of the line and lower the Tip Up to the surface of the water when a pike or other predator bun - Tip Up turns around - it's a signal for fishing that fish on the hook.