Wall mounted Gun Rack options for Thumbhole Stocks

I've added a couple of PCPs to my traditional springer collection and am looking for ideas on how to wall mount thumbhole stocked rifles in a rack configuration.
The current rack I'm using has fixed width holders that work just fine with my existing collection.
For the thumbhole stocks, I'm thinking that this style may work: https://www.holdupdisplays.com/products/hardwood-horizontal-fishing-rod-and-gun-rack
Thoughts/suggestions welcome.
I'd rather not relegate the thumbholes to a closet for storage.

Thanks in advance
Gilberca
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I like you wooden rack I'm thinking of doing similar with 2x4 and instead of wooden or steel hooks use nylon webbing with Velcro.

like these attach to a 2x4 they would be adjustable to any stock.
 

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