I cut my hand taking a garbage bag out of the shop. I guess I was the one that thought it would be okay to dispose of a dull box cutter blade in the trash. I have since taken a used plastic coffee jar and cut a hope in the lid. It is my "sharps container". I keep the jar near my workbench and use it for dull blades, nails, screws, etc. . I should have been smarter than throwing a dull blade in a trash can but now I have a handy way to dispose of sharps.