Now you take these strips in a careless manner, square them up and hand them back. Louis Vuitton Madrid Store. With the pellet isolated in this fashion, the pin is given to someone to hold until the completion of the experiment. You will find considerable overlapping in the various categories, but that is the nature of mental tricks. Louis Vuitton Madrid Store. The volunteers from left to right are given pieces of paper that are slightly shorter than each other. Quickly, and as fast as they can be run through, the medium duplicates the other six sketches. Louis Vuitton Madrid Store. The initials called are put upon the slate proper, there being a coinciding chalk line on the slate itself just under the flap (s) edge.