Talk:Tightlock coupling
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Proper identification
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/db/MBTA_commuter_car_headend.agr.jpg/220px-MBTA_commuter_car_headend.agr.jpg)
Could some one else have a second look at this? Peter Horn User talk 00:55, 23 May 2013 (UTC) Peter Horn User talk 00:55, 23 May 2013 (UTC)
Clarification needed
See Talk:Double shelf coupler#Clarification needed Peter Horn User talk 23:42, 6 May 2018 (UTC)