a spiked collar

A hefty iron collar, it has short, sharp spikes all the way around.

It is a spiked collar (flawless, new).
It can absorb a huge amount of damage and provides awful protection.
It fits you well.
It weighs three pounds.

You identify a spiked collar.
It is a piece of soft leather armour.
It weighs two pounds and nine ounces, and it is worth about one celeb and twenty-five busc.
Its keywords are collar and spiked.