How to secure my Saratoga fuel caps?

[CRAZEDpilot]

Has anyone found a solution for affordable locking fuel caps? even a home made 'external lock" that somehow prevents access to the flipup recessed lever when parked on an unfamiliar ramp? I fly to remote unsecure fields from time to time and want to protect my Saratoga from sand or any other potential risks when parked away from home.

..Or, are commercial locking caps available? part #?
Thanks!
~Brendan

 

[ikaros61]

 

[raymos]

 

[Cliff]

 

[Domenick]

 

[Domenick]

 

[Cliff]

 

[raymos]

 

[TEG916]

 

[jruhnke]