RELEASED: 10.2.2012 PRODUCED: 30 Copies DESIGNER: Stewart Coffin CRAFTSMAN: Eric Fuller MATERIAL: Canarywood or Leopardwood COMMENTS: This puzzle was Jarry Slocum's exchange puzzle at IPP18. I was recently visiting a puzzle friend and saw it on the shelves. Spent some time working with it and finally solved it...HAD to make it. Since John Rausch did such a nice job writing up a description on his site, I think I'll plagarize from it directly: "Four of the six pieces have diagonal notches on both sides of the large, simple notch. Two pieces have them on only one side. Normally, a six-piece burr consisting only of pieces with a single, large, simple notch could not be assembled. With the diagonal notches described, it becomes a coordinate motion puzzle - a difficult one! Number 129a in Stewart's numbering system. He made 100 in 1998." I have modified the design a little bit based on Nick Baxters advice - instead of two pieces having only one notch, one piece does (leaving the other five with double notches). After some experimentation I felt that this configuration was the trickiest, and really made the solver grasp the concept behind the puzzle. Finally, this puzzle is by nature ver