Mk1 Escort Headlining Spar Grommets £2.99

These are shallower than the originals but hold the bars in place just as well

Mk1 Escort Headlining Spar Grommets £2.99

As illustrated in the Ford parts catalogue (items highlighted in Red)

Mk1 Escort Headlining Spar Grommets Factory Drawing #1

Mk1 Escort Headlining Spar Grommets Factory Drawing #2