I won’t be able to breathe right until you solve this riddle

Two of one name, of fleece or thread, on floors you walk alone they tread. No heel, no lace, at word they kneel, the hearth’s soft step when days turn chill.

After a long, hard day of dealing with pressure, and stretched to my limits, I just want a nice, hot bath. Practically boiling, with some relaxing salt thrown in? Simply divine, it leaves me feeling limp and pliant. Wait, why is my bed a plate now? Oh no, not the sauce-

The first four are the little hand The next six can be Sharpie or permanent Together on a dial they make a stand Each one, a day part they represent

I wear no clothes but come dressed in white, With a golden heart hidden out of sight. Crack me once, I change my form, In heat I harden, in cold I’m born. What am I?