helping and protecting in every way; being a constant support
Proverb meaning to provide all-around help and protection, like a straw raincoat (蓑) shielding from rain and a hat (笠) shielding from sun. Often used to describe someone who supports another through thick and thin. Compare 陰になり日向になり (かげになりひなたになり).
See also: 陰になり日向になり (かげになりひなたになり)
He always supported me through thick and thin.
Parents naturally want to protect and help their children in every way.