Answer:
What has a mouth but can't chew?
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
When Iām metal or wood, I help you get home. When Iām flesh and Iām blood, In the darkness I roam.
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
Slayer of regrets, old and new, sought by many, found by few.
you hold my tail while I fish for you