You're looking for something with a hinge on top, akin to a Cuban Plancha.

Something like this would work better:

https://www.amazon.com/Chefman-RJ02-180-Non-Stick-Stainless-Removable/dp/B01J1AWMFU/ref=sr_1_4?keywords=Cuban%2BSandwich%2BPress&qid=1684969154&sr=8-4&th=1