researchers at the Nationwide Children’s Hospital and Ohio State University have created a new spray bottle design with a kid-proof two-stage trigger. Not only are younger children lacking the ...

Raid Power Sprayer motorized spray bottle. The second trick is a little lower tech (shown in the video below) but uses only components you can pick up at the grocery store. It uses a Glade Plug ...

“The two-stage trigger mechanism design restricts the ability of young children to trigger spray bottles because they lack the development capability to perform the correct operational sequence ...