Double twist and wrap. Â While the last image was on the lackluster side, this one has everything turned up to 11. Â There is a strong deflection as the particles pass through the first peak and then they are swung back again as they exit the ring on the other side. Â An important thing to notice is that these are clearly defined and there is little mixing. Â If these equations were chaotic, then there would be mixing among the lines.