Link coupling is possible with a Faraday shield on the link only.

The main tuning coils have a 'gap' of sufficient size to accommodate the
link. The link is shielded.

Back in the 'olden days', 1955, I used a shielded link from B&W in a 40
meter home brew project [a pair of 807s in PP].

Deacon Dave, W1MCE
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