Release cylinder latch .
Slide middle fingers into frame wind , position gun vertical ( muzzle up ).
Press Ejector rod with thumb , with simultaneously downward snap to assist gravity .
Flip gun around to vertical ( muzzle down ) .
Stick gun in waistband. Muzzle inside pants , cylinder outside pants .
Gun ( Probably) stay in place by belt tension.
Use your one hand to get ammo. Speedloaders are best , but if strips , loops , loose , whatever , proceed as usual.
Once cylinder full , take grip on handle, pull free from pants , and flip cylinder closed with snap of wrist . ( This is the exception where flipping cylinder is called for .)
FWIW - This is the LFI technique.
If you're wearing one piece coveralls or a dress - Either one hand pistol whipping with empty gun , or beat feet .
( Or draw BUG )