I’ve never been fishing but I assume it’s like a form of meditation. While they’re waiting for the fish, they don’t have to move around at all so their brain can engage in free thinking.
Proprivacy.com seems more like reviews for VPNs and other privacy services. They listed one service, blur that looked promising. Unfortunately, it’s only available to use for US merchants.
Privacy also looked promising. However, they require users to provide their SSN and that’s not something I want to give for something small like this.
Also depending on how heavy the leveler is, he can use painters tape. It’s meant to be placed in the wall temporarily and not damage the paint on the wall.
Edit: added a very important “not”