Horse bit and headphones: what they have in common

  1. Step 1. Horse bit — is part of — Bit and bridle. Metal in the horse’s mouth.
  2. Step 2. Bit and bridle — has part — Headband. Straps on the head.
  3. Step 3. Headband — is part of — Headphones. A band that presses the cups.

Open Evothings