What is the Bandanna technique? It is inspired by the typical batik style of print used on head bandannas. I think this is particularly effective if overlaid on a coloured background, and in this example I will give instructions on making a spray ink background. Of course, any type of background is suitable so try loads of ideas out. They are sure to look stunning as ATC's.
Spray Inks ( I used the summer collection by Sticky Fingers - Buttercup, Marigold & Grass Green; Bluebell, Delphinium & Lilac; Lilac, Pink & Aqua)
Versafine Ink (Olympic Green, Onyx Black)
White Cardstock
Rubber Stamps (two paisley stamps from Tanda Set 1 Paisley plate)
Gelly Roll Pen (Sakura - White)
Chalk Ink (Colorbox - Lilac, Blue, and Ochre)
Cut into ATC sized pieces (3.5 x 2.5 inches) and move to the next step.