The Stegosaurus's tail spikes are called thagomizers. They have a bony core but may have been covered in a thick layer of keratin.
spikes.
Your question is unclear but most spikes are made with materials other than gold.
i think its metal.
Bone.
to run faster obviously
The Stegosaurus had very large, pointy spikes at the end of its tail. These spikes could have been used for defence against predators, like Allosaurus or Ceratosaurus. Its spikes were made of bone.
bird spikes
Adolf Dassler did 1920 for track and field. He is better known for the German shoe brand of Adidas
toxic spikes becuz spikes is when u switch out a Pokemon when ur opponent uses spikes ur Pokemon get hurt a tiny bit but toxic spikes poison the Pokemon
Modern golf shoes are made with the golf turf in mind. Most shoes have rubber spikes to form to the course so as not to tear up the grass. The spikes used to made of metal or hard plastic which would tear up the putting greens.
Spikes on viruses are made up of proteins that are used to attach the virus to host cells. These proteins play a critical role in allowing the virus to enter and infect host cells by binding to specific receptors on the cell membrane.
Railroad spikes made after 1970 will have an HC on the head. This stands for "high carbon." the other letters are the name of the railroad, for example, "BS" stands for Bessemer Southern.