Drag-and-Drop Hotspots

I'm working in SL 2. I'm trying to create drag-and-drop assessments in which the user drag-and-drops the correct clothing items onto the "paper doll." I'm wondering what kind of hotspots to use so that the pieces drop exactly in the right placeon the doll. Shapes, freeform? Or should I break up the doll into pieces, e.g. head, hands, chest, so that each body area picture becomes the hotspot? Any other ideas? Thanks much!

 

 

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