How to Sew a Teekini Tankini Bikini – by Jenelle Montilone 14.06.2016 by Birthe Grautmann0 Comment now!2,161 0 shares Share 0 shares Tweet 1 shares PinIt! This is a tutorial shared by our US colleagues from weallsew.com. Jenelle Montilone upcycled a t-shirt and turned it into a beautiful tankini bikini. Read the step-by-step-tutorial. 0 shares Share 0 shares Tweet 1 shares PinIt!