I don’t bother with horn-hooks. They go straight into the trash. Most of my rolling stock has Kadees, Micro-Train or Atlas. (I’m also in N scale as well as HO.) Some of my HO scale cars use McHenry’s, but not many. I leave them alone if they work correctly. However, if they break or give problems, they get replaced with a Kadee. I’m not keen on Accurail’s coupler either. For some reason, they just don’t stay coupled, leading to many delayed trains.