Toronto Railway Museum on Twitter: "Link and pin couplers required the trainman to stand between the cars being joined and to guide the coupling with his hands. This coupling method had been
Amazon.com: Marklin My World American Link and Pin Coupler Set (3-Piece) : Arts, Crafts & Sewing
1″ Link and Pin Coupler – Despatch Railroad
File:Dual Coupling Link & Pin with Knuckle Coupler.jpg - Wikipedia
Link and Pin Couplers with Draft Gear – Despatch Railroad