Ship masts and joystick: what they have in common

1. Step 1. Ship masts — is part of — Clipper. Three masts.
2. Step 2. Clipper — is made of — Cotton. The sails are cotton canvas.
3. Step 3. Cotton — is material for — Spring mattress. The cover is cotton fabric.
4. Step 4. Spring mattress — has part — Spring. A spring unit.
5. Step 5. Spring — is part of — Joystick. They return the stick to the centre.

Open Evothings