This year pictograms next to certain models make it clearer exactly how they work.?ine through side: The rig line runs through the side of the float making it easier to control in a flow and stronger than a classic eye.?nline floats: The line runs through the centre of the body and then blocked by the stem.?ine across body. The line runs diagonally through the body of the float. Perfect for bolo floats, for example, when you need to hold back hard in strong flows.?einforced eye. Some floats benefit from having a reinforced eye to prevent eyes being damaged by hard fighting fish and strong lines. A common feature of floats designed for commercial fisheries and carp fishing.