If you asked about the front link-and-pin drawbar on the cowcatcher - please have a look here th-cam.com/video/S4l7zZPKdvk/w-d-xo.html at 1:47. You can see some knuckle couplers have a hole for inserting a pin. Some of the couplers from that era even do have a dedicated split knuckle to allow the link to be inserted centrally: en.wikipedia.org/wiki/Janney_coupler#/media/File%3AEarly_Janney-type_AAR_coupler.JPG
If you asked about the front link-and-pin drawbar on the cowcatcher - please have a look here
th-cam.com/video/S4l7zZPKdvk/w-d-xo.html at 1:47. You can see some knuckle couplers have a hole for inserting a pin. Some of the couplers from that era even do have a dedicated split knuckle to allow the link to be inserted centrally: en.wikipedia.org/wiki/Janney_coupler#/media/File%3AEarly_Janney-type_AAR_coupler.JPG
Bro is 80 dollars
Its not, you have to change the currency.