ever though of this? its a strop that fits on your leg and is easier to strop regular without having to stop for any amount of time, heres some pics of how it was made and finally of it in use:
https://www.flickr.com/photos/9228131@N07/sets/72157645617783859/
https://www.flickr.com/photos/9228131@N07/sets/72157645617783859/