The locking plugs work on simple pressure, so most binding posts should handle them fine. You tighten the collar and it applies outward pressure at the tip which doesn't really "lock" them in place, but holds a lot better than a standard plug. In my case, the binding posts are split inside for mounting reasons (for a screwdriver for holding while tightening the internal nut) and the tips end up pushing too far apart and breaking.
The ones I ordered showed up today, will be trying them out tonight.