This logo is used for Red Gate Software's family of database utilities. The toolkit/toolbox metaphor is widely used by software vendors, even graphically as in this example. (Image courtesy of Red Gate Software Ltd., www.red-gate.com)

Years ago, in order to debug a problem in the Windows version of this encyclopedia, the text had to be continually scrolled until it crashed. Rather than holding the mouse button down for several minutes, the weight of the hammer did the job. Were there more sophisticated methods? Of course, but none were available to the developer at that time. Two-pound hammers are typically not part of the developer's toolkit.