THE ULTIMATE GUIDE TO RIDDLE

Problem: What runs but in no way walks, features a mattress but never sleeps, a mouth that hardly ever speaks, in addition to a head that in no way weeps?Q: With pointed fangs I sit and hold out; with piercing power I crunch out destiny; grabbing victims, proclaiming may possibly; bodily becoming a member of with a single Chunk. What am I?Then he w