Typeface pairing

Most pairing problems are solved by not pairing. The second face must earn its payload, its licence, and its maintenance.

1. When to invoke

• Choosing a heading face to sit with a body face.
• Adding a face to an existing system.
• A pairing "clashes", or the two faces are indistinguishable.
• Deciding whether one family with more weights would do the job.

2. Required context