“…Currently, biologically inspired designs of biomimetic energy-absorbing structures are mainly categorized as lightweight and high-strength structures or hard on its own structures. Designs inspired by lightweight and high-strength biological structures include honeycombs [45], plant stems [46][47][48][49][50][51], bird feather shafts [52,53], insect Wings [54,55], spider webs [56,57], and grapefruit peels [58]. Designs inspired by their own hard biological structures include animal horns [59,60], hooves [61], and bone skins [62], human tibiae [40], bamboo [35,63], conchs [37], mantis shrimp pincers [64], and woodpecker beaks [65].…”