I thought that's why God give us legs. One hand opens bag and lid leans at whatever angle I desire on leg and bag loaded...close by pushing forward with leg and close/lock lid with one hand. Of course Harley lid can rest higher on leg, but not always as easy to close with one hand.
+1....and i have CeeBaileys fitted bags for both the side cases and top box.....nice way to pack lots of crap on the RT....
2015 BMW S1000R - Duke - Black Storm Metallic
2013 BMW R1200RT - Sassy - Fluid Grey Metallic