I made a double decker hammock for Alice and Bella by tying the bottom of a bandana triangle one rung lower than the higher part. What I wasn't expecting was for them to transport (all on their own!) most of the shredded newspaper I had put in the lower tray, stuffing the hammock full and creating a really comfy looking chair/burrow. They really are innovative little critters! I'm probably going to make another hammock though as Alice is being a jerk... there should be room for 2 if she'd learn to share but she seems to have claimed this one as part of her territory. Stand up for yourself Bella!