HCA: Hermit Crab Association

Hi all! I don't post much around the HCA but I have stalked the heck out of it and have become quite the experienced crabber in thanks to this awesome site and the other people who are hermit crab fanatics such as myself. As mentioned in my signature, one of my other critters is a chinchilla. His na...

I have crabs that are pretty big in size, probably what you would consider a 'large' size crab. I have a few items that I would like to stick to the tank walls- to make a second level and such. The suctions cups don't hold well enough though! The big crabs drag them down. Is there anything out there...