I initially thought "you printed those so ... grandkids " but then I saw the logo on the side and then figured it out
Those do look pretty handy actually ... I've used bits of wood in a similar way but those have an annoying habit of finding their way into the scrao bin, something in bright red would be less likely to disappear.
Well, I'm still waiting on the provisional patent paperwork to be approved, then I'll have to draft up some non-disclosure statements, but after that no problemo.