Soldato
This is my solution. It holds the 4 keys that I actually need (front door, back door, gate, parents' house) nice and neatly. It would annoy me having separate bunches of keys. Car has keyless but even if it didn't, there wouldn't be any "jangling".
The only other key I use often is the key to my office at work but that lives in my bag.
The only other key I use often is the key to my office at work but that lives in my bag.