Not sure if this would be a big seller but I have 2 mangrove trees/pods attached to the back corner of my aquarium with suction cups and zip ties. I'm trying to get the roots to grow from the top of the tank (65 tub) to the bottom. Once they reach the sand or rocks they should secure themselves and give a cool mangrove root look to the tank. Some kind of magnetic mounts that wouldnt restrict the pod growth may be cool. Again may not be a big seller.