Does anyone offer O scale couplers with inoperable knuckles? I have had train separations with my Kadee 805's and would like to use couplers with fixed knuckles on my passenger equipment. I have several steamers without flywheels and any slight change in voltage causes the slack to run in and the car uncouples. I did not find anything on the Kadee site. Is the old Monarch coupler manufacturer still in business? Thanks.
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