These are some simple hooks I designed to hang up my patch wall without needed to put holes in the wall. I used some EZLIFEGO double sided tape from amazon to stick it to the wall. They perfectly fit through grommet holes. With the tape they can be used as super sturdy command hooks on the cheap.

EZLIFEGO Double Sided Tape: https://smile.amazon.com/dp/B07YB1ZXG6?ref=ppx_yo2ov_dt_b_product_details&th=1