Step 4Make voodoo doll- cotton balls
I find that making a properly-proportioned voodoo doo the hardest part of this whole procedure, and am working on a personalized fool-proof technique. The dissection is the easy fun part, but then I spent years in mouse labs doing gross and microdissection, so your mileage may vary.
At any rate, the voodoo doll requires three things:
your mouse (for sizing)
the thick piece of wire, bent in half
cotton balls
Start at the crimped end of the wire to make the head. Add 2 - 3 (partial cotton balls are OK) balls and squish them into the crimped wire. Compress them firmly, and measure the package against the mouse's head. They should roughly match the nose to neck distance on your mouse as shown below. Keep the balls pinched tightly and twist the wires several times to hold the cotton balls in place and create a bendable neck joint.
Add 6-12 additional cotton balls to make the rest of the body. Line them up in a row, compressing them tightly, and again match them against the mouse's body. Keep the wire squeezed in along the sides to prevent the cotton ball stack from folding over and popping out. Twist the tail ends of the wire tightly, keeping the cotton balls pinched, to create at least 1/2 inch of twisted wire. Clip the wire off and use the needle nose pliers to fold the sharp end over and into the cotton balls.
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