You could do the safariland quick release system for a belt holster or if they prefer the tactiCOOL look the system is also available for thigh holsters. Issue the belt buckle attachment to everyone and then 3 snaps and a twist later anyone can be armed interchangeably.
Big Dawg #1408, TT #1408
Moto Club #1408, GSSF Member, NRA RSO
NRA Benefactor Member