Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Marvel Comics Blue Anodized Steel Officially Licensed Captain America Logo Helix Earring Industrial Barbell 35mm
Product description: Hydra Logo Barbell 14g 1 3/8s Black Plated Industrial Barbell with Red Hydra Logo. "M.A.P: $8.75" "M.A.P: 9.50"
Product feature: Stainless Steel, Hydra Logo Barbell, Package Dimensions: 2.8 x 2.6 x 0.5 inches, Shipping Weight: 0.32 ounces, ASIN: B0176RA3AG, Item model number: IXFBAzxzHYDRIND491, Date first listed on Amazon: October 26, 2015, Average Customer Review: 3.1 out of 5 stars 4 customer reviews
Target attributes: Design
Answer: attribute: design
value: barbell
source: product feature
attribute: design
value: barbell
source: product title
attribute: design
value: barbell
source: product description