Answer:
As a whole, I am both safe and secure. Behead me, I become a place of meeting. Behead me again, I am the partner of ready. Restore me, I become the domain of beasts.
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
Hoofed frolicking.
A box without hinges, lock or key, yet golden treasure lies within.
Voiceless it cries,Voiceless it cries, Wingless flutters, Toothless bites, Mouthless mutters.
The warmer I am the fresher I am.