Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: RC Pet Products Training Martingale Collar, Secret Garden
Product description: The training collar is fully adjustable, it gently corrects your dog when pulling, and has reflective stitching for added safety in low lighting; there are multiple patterns available to choose from, matching leashes are sold separately, please visit our amazon store to view all selection. All our collars and leashes are proudly made in Canada.
Product feature: Limited slip corrects dogs in a gentle manner and the side buckle provides an easy on/off solution., Reflective RC Pets signature label and stitching is visible up to 25 meters, Proudly made in Canada, The collar is made from soft quality webbing with a nickel plated D ring., Size medium adjusts to fits neck size of 9 to 14 inches, RC Pet Products stands behind the legendary quality and craftsmanship of their products. Thats why they are committed to offer a repair or replace guarantee on all their products - broken or damaged - for the life of your pet. Please find guarantee information on RC Pet Products website for all purchases after 30 days.
Product brand: RC Pet Products
Target attributes: Collar Type
Answer: attribute: collar type
value: martingale
source: product title