I have recently used some self adhesive cable tie mounts.
Similar to
these that I bought at a local hardware store.
I mounted these to the underside of the hood right where the tongue tabs are now.
Then I cut plastic tabs (strongbacks) wide enough to fit in the tongue tab slots and about 4" long.
Then cut two slots in the hood liner so that a cable tie can go through the two slots, through the self adhesive cable tie mount and then around the plastic strongbacks.
If you use dark cable ties and dark plastic strongbacks they are not too noticeable.
I have no idea if the adhesive will stand up to the job. I should know by the end of the summer...if the car comes back to me or the owner stays in touch. ( I expect he will he is a local serviceman.
If you sandwich two strong backs with the hoodliner between, with longer tongues going into the slots, they will probably work without any adhesive mounts.
This is really a farmboy fix, but that is what I am. Sorry no pictures.
There is one guy that comes by that ran splits of bamboo from slot to slot across the hood. It is very noticeable - he might have 3 splits in each slot going to three other slots, but it works.