Show the difference between two nearly identical variants

Nearly identical variants require a comparison anchored to model identity and the specific difference that affects the buyer's choice.

A practical procedure

1. Attach readable variant labels before placing both items in the same frame.

2. Show the distinguishing feature at matching angles and describe its verified specification.

3. Repeat which label belongs to which difference before giving any purchase instruction.

Worked example: a fictional session

A fictional bottle seller compares two similar caps by showing the opening mechanism side by side and naming the matching variant after each demonstration.

Check the limits

Do not infer performance differences from appearance when no verified specification supports them.