Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Luxury Abri Navy Grommet Crushed Sheer Curtain,50x84 inches, by Royal Hotel
Product description: The ultimate in luxury! Our Amazing Abri Grommet crushed sheer curtain Panel simplify the casual and contemporary styling of Home Decor. The highlight of this panel is the crushed sheer fabric & Silver metal grommets sewn at the top of the panel. Designed for a look of elegance, the grommets are spaced in such a way that the drapery forms neat pleated gatherings when left partially open. 1.5 Inch Internal Grommet Diameter. 100% Polyester machine washable.
Product feature: 100% Polyester, The Abri Grommet crushed curtain Panel simplify the casual and contemporary styling of Home Dcor., Crushed sheer creates fresh & rich atmosphere., Single Panel Comes in 50" wide and length of 63", 84", 96" or 108", Package includes one Grommet Panel. Picture shown 2 panels and 3 valances., Material : 100% Polyester and Machine wash in cold water.
Product price: $11.99
Product brand: Royal Hotel
Target attributes: Attachment Method
Answer: attribute: attachment method
value: grommet
source: product title
attribute: attachment method
value: grommet
source: product feature
attribute: attachment method
value: grommets
source: product description
attribute: attachment method
value: grommet
source: product description