You have seen these in adverts on tri-D, HD and Grey-Ray. They look small but can carry a lot. You can’t remember putting it there, and you seem to have lost the manual.
The model you are carrying looks like a human figure, dressed much like a 19th century railway porter, pulling a small trolley on wheels. He stands three inches tall on your palm, looking up at you expectantly.
tie him up with the string
put the cheese in the trolley
climb into his trolley yourself