Tool recommendations, information on your favorite automatic and/or mechanical lockpicking devices for those with less skills, or looking to make their own.
Basically he is selling a hook pick and tension wrench - the bulldog clip is just to hold the pick up vertically so that it cant be easily identified by ebay staff that it is a pick (which would be obvious if pictured in profile), and therefore get the ad banned. Report it anyway just to piss him off!