Thanks to the authors' various employers and institutions over the past 15 years for their tolerance and even encouragement of an effort devoted to a marginally work-related endeavor. Thanks to the Usenix referees for their insightful comments on the paper, and to Clem Cole in particular for his careful (and patient) reading and many helpful suggestions that vastly improved the presentation. Thanks to the pioneers of programming language development, who made the implementation of Nickle both possible and desirable. And a big thanks for the invaluable contributions of users of Nickle and its predecessors over the years, including advice, kibitzing, bug reports and moral support.