Be Careful With the Mattress!
A camping mattress is one of the most crucial pieces of equipment you must bring with you on a camping trip. However, it can only be helpful if you know how to use it properly. Using a mattress is pretty straightforward most of the time.
Source: Glensh.com
There aren’t any intricate knobs or an introductory packet, but the makers of this camping mattress thought it would be wiser to include a photo of ways *not* to use the mattress just to be extra careful.