Rare: $3 off any One Eco Tools Hair Brush August 22, 2014July 23, 2014 by Steph Post contains sponsored/affiliate links and I get commissions for purchases made from links. ‘ The coupon is gone. Ex. 08-31-14 (May depend on when you pirnt it) Click here to print $3 off any One Eco Tools Hair Brush The bar code on the coupon starts with a 5. This line is sold at Walmart.