Elephant mating rituals include the gentle entwining of trunks. On either side was an heraldic dolphin entwining a trident. On the Narmer palette, two serpopards are entwining their necks. Partners often reinforce the pair bond by perching side-by-side and entwining their tails. Faint vestiges of Aesculapius' rod with an entwining snake are still visible on the "prow". It expresses their love through depiction of flowering trees, birds, and entwining clothing. Four high relief entwining dragons on the shoulders of the square zun.