JimmyB
Now retired - trains and fishing

As far as I can see other than the "standard" rail joiners, there are three styles of rail clamp:
I am sure there will be quite some variance in thoughts, so thanks you in advance for your response.
- Massoth - two screws along one side holding the rail and solid on the other
- Split-jaw/Hillman - two screws clamping one side and solid on the other, either on the rail or over the rail joiner according to type.
- Piko - four screws, two on each side holding the rail
I am sure there will be quite some variance in thoughts, so thanks you in advance for your response.