PHIL: What in the world...?
SHIERA: I'm testing a Nap Box (tm), invented by Wolf! It follows the sunlight while you nap in it!
PHIL: What are the road cones for?
SHIERA: Virtual walls so the box can't leave the room. Apparently, it's a "version 2" safety enhancement, which also includes...
SHIERA: ... a GPS and a flotation device in case the box ends up in water...?