Here's the catalog where the offending slungshot may be purchased for $9.99:
http://www.mileskimball.com/jump.jsp...ProductID=5390
I emailed the company the details of Ms. Harrington's experience with the product and suggested that the company include a warning to not ever use this bookmark in public (especially airports) as it apparently resembles a weapon that police officers used to carry.
My letters to manufacturers of socks and heavy objects (soap, golf balls, locks, sand and gravel, etc.) will go out tomorrow. We can't be too safe.