If you have problems with the track pins being too harsh and “pulling” the sleepers, either predrill the sleepers with clearance holes or do the same and use screws, I used Trix ballasted track and it uses tiny screws to hold it down and it is so easy to hold the track firm without crushing anything or too much, and if track is needed to be moved it’s simple to do without damaging anything. They are Trix HO track fixing screws, cross head.