Its a circular wound moist all around and at a closer look you will notice movements within the wound. The diameter of the wound will gradually enlarge. The worms can also be visible within the wound.
because their afraid of dogs
it look like a round worm
it looks like a normal worm there's no difference
a bit like a worm
They look like a snake.
linear distance moved by the gear(worm,screw jack) for one rotation of the gear(worm,screw jack)
it is ugly
A rattlesnake.
Sand worms are large, predatory invertebrates found in sandy environments. They have long, slender bodies and are often depicted with multiple rows of teeth. Sand worms are fictional creatures popularized in science fiction and fantasy literature, so people cannot actually get them in real life.
because they look like worms accept they are grey and herbivore. (plant eater)
a willy worm looks like a catarpillar with black "spikey fur"
It looks like a flying red worm
A worm drive.