Wig hair drawing cards (or drawing mat / drawing board) are used to prepare hair during boardwork.  Wig makers use the set of cards to hold loose bulk hair while drawing off and turning the hair.  While drawing hair, it is important to have a device to hold the hair to keep the roots and the ends turned in the same direction.
 
Advantages of Using the Drawing Mats: 
Drawing hair into separate lengths
Keep the roots and ends turned in the correct direction while ventilating
Easy to "turn hair"
Easy to use
L-Shaped prongs keeps hair steady and in place
 
Sturdy base approximately 6.5 x 7.5 inches 
Equipped with numerous L-shaped prongs (needles)
1 set is complete with 2 pcs