But how do you get at all key to the rings without breaking their fingers? It's simple: Take a small screwdriver and a medium to raise the ring, simple and as easy. With this little trick even warded key match without intermediate ring.
Of course, the "Patent" no solution for eternity; Troika also wants to retain its customers.
The biggest problem is that the tension spring for several years (!) Is a bit lax and thus increases the risk that a ring and thus one of the keys with the slightest pressure, for example in your pocket from slipping.
Once this phenomenon is observed, you should replace the trailer urgently before the first "real" key forfeits.
Otherwise:. Great solution and apparently also the only one of its kind on the waistband is less key: lower downside risk, longer service life of the trousers, as the inside pockets no longer fray. And to be honest, why would you while jogging always have the beefy car key in your pocket ...?