Answer:
I can run but not walk. Wherever I go thought follows close behind.
I am bought by the yard but worn by the foot. What am I?
With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
I am the most famous dinner ever attended. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.