Answer:
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.
What gets closer when you blink?
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
Hard to catch, easy to hold. Can't be seen, unless it's cold
Four of us are in your field, But our differences keep us at yield, First, a one that is no fool, Though he resembles a gardenerโs tool, Next, one difficult to split in two, And a girl once had one as big as her shoe, Then, to the mind, oneโs a lovely bonder, And truancy makes it grow fonder, Last, a stem connecting dots of three
You use it between your head and your toes, the more it works the thinner it grows.