Yes.
Blubber
The blubber protects the walrus from the cold.
It has blubber
keeps it warm
To protect themselves from the cold.
Blubber.
Walrus stay warm by: 1. Their thick blubber "fat" is used as an insulation against the cold. 2. They huddle in massive groups.
The 'stuff' could be the thick layer of blubber (fat) that protects the walrus from the cold.
It uses its sharp, powerful tusks to tear the flesh of its enemies.
blubber
Walrus live in very cold water with ice. The blubber acts as a store of energy and also fat is a good insulator and traps heat inside the Walrus' body. This keeps them warm. Note, many marine mammals (whales, seals etc.) also use blubber in this way.
Whale fat is called, "Blubber".