Well I know it's starts with a -S- but I'm not quite sure but I have been looking around. Yes you're going to think I gave you a wrong anwser well I gave you one and one is better than nothing.
Setae
Their feet and legs, as there are eight each of them!
Grasshoppers and other insects are able to walk up walls because of the huge number of bristles on the bottom of their feet. These bristles act as traction that allows them to crawl up things.
a Rebus
Hooves
A person that like feet has needs to rub them
Well, I have been listening to people, and most say yes. Though in all of my life experience, I have 'never' seen an ant jump, only fall! But if ants can/could jump, I'm guessing it wouldn't be very far!
Ground Beef
You call the farrier.
Pediatrists.
It is a Quadroped.