Crossword puzzle clue "material on legs"

"I go on four legs in the morning, on two legs in the afternoon, and on three legs in the evening ..."

Source of the maxim "Four legs good, two legs bad"

Material on legs

Material for matérial, in short

Armor material plus cold castle material

Number of legs on eine Spinne

Sea legs (anag)

Where outstretched legs are hazards