(...) Can't identify the first one but the second one came in accessory packs during the 12V era and can be seen in use here: (URL) (24 years ago, 2-Jan-01, to lugnet.general)
(...) Back from the holidays......... That piece (along with the red part that attaches to the train wheel, and a black "piston" type piece) was available in train parts pack #1119 (2 pair of each of these 3 pieces), a "Europe Only" parts pack. It (...) (24 years ago, 2-Jan-01, to lugnet.general)
