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: Teak Isle Southco Twist to Open Chrome Push Button Latch
Product description: Southcos M1-2A pop out knob latches are available with either pull-to-open or turn-to-open functionalities. The knob sits flush in the door when not in use, but pops out to provide a secure grip to operate and open the door. The attractive chrome finish gives an attractive look while the high impact plastic polymer material offers durability in exterior applications. Latch holds securely in place whether knob is pressed in or popped out. Mounting instructions included for easy single hole installation.
Product feature: Knob sits flush when not in use, but pops out to provide a secure grip to operate the latch and open the door, Latch holds securely whether knob is pressed in or popped out, Choice of pull-to-open or turn-to-open operation, Corrosion and UV resistant chrome plated high impact plastic polymer, Commonly used on doors, cabinetry, and as a motorcycle police saddlebag latch
Product price: $26.00
Product brand: Teak Isle
Target attributes: Type
Answer: attribute: type
value: knob
source: product feature
attribute: type
value: knob
source: product description