Answer:
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
With pointed fangs it sits in wait. With piercing force it doles out fate, over bloodless victims proclaiming its might. Eternally joining in a single bite.
A precious stone, as clear as diamond. Seek it out while the sun's near the horizon. Though you can walk on water with its power, try to keep it, and it'll vanish in an hour.
Not a burden for its weight and daily carried out, He who takes it wishes it had never come about
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.