Concertina
01
concertina, hexagonal dragspel
a small polygonal instrument that resembles an accordion which is played by pressing keys and pulling and pushing its sides
02
concertina (upprullad taggtråd använd som hinder), spiraltaggtråd
coiled barbed wire used as an obstacle
to concertina
01
kollapsa som en concertina
collapse like a concertina
