They sell those! They are used frequently in rescue settings. The can is basically a big cubical heavy plastic bag. Your alternative is of course to fill some

They sell those! They are used frequently in rescue settings. The can is basically a big cubical heavy plastic bag. Your alternative is of course to fill some plastic bags from your local grocery store like this [1] lady did. [1] https://twitter.com/FiendishlyYours/status/1391990487222001666 https://twitter.com/FiendishlyYours/status/13919904872220016...