Tanning and headphones: what they have in common

1. Step 1. Tanning — is used in — Leather. Tanning.
2. Step 2. Leather — is material for — Bit and bridle. A bridle is leather straps.
3. Step 3. Bit and bridle — has part — Headband. Straps on the head.
4. Step 4. Headband — is part of — Headphones. A band that presses the cups.

Open Evothings